52863657 has 16 divisors (see below), whose sum is σ = 87877632. Its totient is φ = 27461520.

The previous prime is 52863653. The next prime is 52863661. The reversal of 52863657 is 75636825.

It is an interprime number because it is at equal distance from previous prime (52863653) and next prime (52863661).

It is not a de Polignac number, because 52863657 - 2² = 52863653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52863653) 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, 114193 + ... + 114654.

It is an arithmetic number, because the mean of its divisors is an integer number (5492352).

Almost surely, 2^52863657 is an apocalyptic number.

It is an amenable number.

52863657 is a deficient number, since it is larger than the sum of its proper divisors (35013975).

52863657 is a wasteful number, since it uses less digits than its factorization.

52863657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228868.

The product of its digits is 302400, while the sum is 42.

The square root of 52863657 is about 7270.7397835433. The cubic root of 52863657 is about 375.3061961380.

The spelling of 52863657 in words is "fifty-two million, eight hundred sixty-three thousand, six hundred fifty-seven".