52652740 has 48 divisors (see below), whose sum is σ = 133805952. Its totient is φ = 16989696.

The previous prime is 52652731. The next prime is 52652741. The reversal of 52652740 is 4725625.

It is a super-2 number, since 2×52652740² = 5544622059015200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52652741) 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, 8682 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (2787624).

Almost surely, 2^52652740 is an apocalyptic number.

It is an amenable number.

52652740 is an abundant number, since it is smaller than the sum of its proper divisors (81153212).

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

52652740 is a wasteful number, since it uses less digits than its factorization.

52652740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22156 (or 22154 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 52652740 is about 7256.2207794416. The cubic root of 52652740 is about 374.8063948775.

The spelling of 52652740 in words is "fifty-two million, six hundred fifty-two thousand, seven hundred forty".