52959640 has 32 divisors (see below), whose sum is σ = 119368080. Its totient is φ = 21146752.

The previous prime is 52959637. The next prime is 52959661. The reversal of 52959640 is 4695925.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 52959593 and 52959602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39867 + ... + 41173.

Almost surely, 2^52959640 is an apocalyptic number.

It is an amenable number.

52959640 is an abundant number, since it is smaller than the sum of its proper divisors (66408440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52959640 is a wasteful number, since it uses less digits than its factorization.

52959640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 52959640 is about 7277.3374251851. The cubic root of 52959640 is about 375.5332029744.

The spelling of 52959640 in words is "fifty-two million, nine hundred fifty-nine thousand, six hundred forty".