53156465 has 8 divisors (see below), whose sum is σ = 63826920. Its totient is φ = 42499072.

The previous prime is 53156447. The next prime is 53156479. The reversal of 53156465 is 56465135.

53156465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37797904 + 15358561 = 6148^2 + 3919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53156465 - 2²⁰ = 52107889 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13991 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (7978365).

Almost surely, 2^53156465 is an apocalyptic number.

It is an amenable number.

53156465 is a deficient number, since it is larger than the sum of its proper divisors (10670455).

53156465 is a wasteful number, since it uses less digits than its factorization.

53156465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531.

The product of its digits is 54000, while the sum is 35.

The square root of 53156465 is about 7290.8480302363. The cubic root of 53156465 is about 375.9978520513.

The spelling of 53156465 in words is "fifty-three million, one hundred fifty-six thousand, four hundred sixty-five".