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53025317 = 115345989
BaseRepresentation
bin1100101001000…
…1101000100101
310200202222001122
43022101220211
5102033302232
65132303325
71212464522
oct312215045
9120688048
1053025317
1127a27784
1215911b45
13aca7437
147084149
1549c6312
hex3291a25

53025317 has 4 divisors (see below), whose sum is σ = 53072460. Its totient is φ = 52978176.

The previous prime is 53025239. The next prime is 53025331. The reversal of 53025317 is 71352035.

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 16434916 + 36590401 = 4054^2 + 6049^2 .

It is a cyclic number.

It is not a de Polignac number, because 53025317 - 224 = 36248101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53025517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21842 + ... + 24147.

It is an arithmetic number, because the mean of its divisors is an integer number (13268115).

Almost surely, 253025317 is an apocalyptic number.

It is an amenable number.

53025317 is a deficient number, since it is larger than the sum of its proper divisors (47143).

53025317 is a wasteful number, since it uses less digits than its factorization.

53025317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47142.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53025317 is about 7281.8484603842. The cubic root of 53025317 is about 375.6883758928.

The spelling of 53025317 in words is "fifty-three million, twenty-five thousand, three hundred seventeen".

Divisors: 1 1153 45989 53025317