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53037901 = 77576843
BaseRepresentation
bin1100101001010…
…0101101001101
310200210121022201
43022110231031
5102034203101
65132441501
71212546310
oct312245515
9120717281
1053037901
1127a36184
1215919291
13acb0097
147088977
1549c9e01
hex3294b4d

53037901 has 4 divisors (see below), whose sum is σ = 60614752. Its totient is φ = 45461052.

The previous prime is 53037899. The next prime is 53037973. The reversal of 53037901 is 10973035.

53037901 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53037901 - 21 = 53037899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53037901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53037301) 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, 3788415 + ... + 3788428.

It is an arithmetic number, because the mean of its divisors is an integer number (15153688).

Almost surely, 253037901 is an apocalyptic number.

It is an amenable number.

53037901 is a deficient number, since it is larger than the sum of its proper divisors (7576851).

53037901 is an equidigital number, since it uses as much as digits as its factorization.

53037901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576850.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 53037901 is about 7282.7124754448. The cubic root of 53037901 is about 375.7180930722.

The spelling of 53037901 in words is "fifty-three million, thirty-seven thousand, nine hundred one".

Divisors: 1 7 7576843 53037901