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53367961 = 85762273
BaseRepresentation
bin1100101110010…
…1010010011001
310201102101002011
43023211102121
5102130233321
65143505521
71215422503
oct313452231
9121371064
1053367961
1128141159
1215a582a1
13b09739a
147132d73
154a42ae1
hex32e5499

53367961 has 4 divisors (see below), whose sum is σ = 53431092. Its totient is φ = 53304832.

The previous prime is 53367943. The next prime is 53367971. The reversal of 53367961 is 16976335.

53367961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 17139600 = 6019^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 53367961 - 215 = 53335193 is a prime.

It is a super-2 number, since 2×533679612 = 5696278522595042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53367971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30280 + ... + 31993.

It is an arithmetic number, because the mean of its divisors is an integer number (13357773).

Almost surely, 253367961 is an apocalyptic number.

It is an amenable number.

53367961 is a deficient number, since it is larger than the sum of its proper divisors (63131).

53367961 is an equidigital number, since it uses as much as digits as its factorization.

53367961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63130.

The product of its digits is 102060, while the sum is 40.

The square root of 53367961 is about 7305.3378429748. The cubic root of 53367961 is about 376.4958586328.

The spelling of 53367961 in words is "fifty-three million, three hundred sixty-seven thousand, nine hundred sixty-one".

Divisors: 1 857 62273 53367961