53157465 has 48 divisors (see below), whose sum is σ = 97126848. Its totient is φ = 27884736.

The previous prime is 53157437. The next prime is 53157469. The reversal of 53157465 is 56475135.

It is not a de Polignac number, because 53157465 - 2⁷ = 53157337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53157469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81079 + ... + 81731.

It is an arithmetic number, because the mean of its divisors is an integer number (2023476).

Almost surely, 2^53157465 is an apocalyptic number.

It is an amenable number.

53157465 is a deficient number, since it is larger than the sum of its proper divisors (43969383).

53157465 is an equidigital number, since it uses as much as digits as its factorization.

53157465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 728 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 53157465 is about 7290.9166090417. The cubic root of 53157465 is about 376.0002098422. Note that the first 3 decimals are identical.

The spelling of 53157465 in words is "fifty-three million, one hundred fifty-seven thousand, four hundred sixty-five".