52695657 has 16 divisors (see below), whose sum is σ = 89220480. Its totient is φ = 30111696.

The previous prime is 52695653. The next prime is 52695661. The reversal of 52695657 is 75659625.

It is an interprime number because it is at equal distance from previous prime (52695653) and next prime (52695661).

It is not a de Polignac number, because 52695657 - 2² = 52695653 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52695653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139218 + ... + 139595.

It is an arithmetic number, because the mean of its divisors is an integer number (5576280).

Almost surely, 2^52695657 is an apocalyptic number.

It is an amenable number.

52695657 is a deficient number, since it is larger than the sum of its proper divisors (36524823).

52695657 is a wasteful number, since it uses less digits than its factorization.

52695657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278829 (or 278823 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 52695657 is about 7259.1774327399. The cubic root of 52695657 is about 374.9082015299.

The spelling of 52695657 in words is "fifty-two million, six hundred ninety-five thousand, six hundred fifty-seven".