52155460 has 24 divisors (see below), whose sum is σ = 125173440. Its totient is φ = 17881824.

The previous prime is 52155451. The next prime is 52155479. The reversal of 52155460 is 6455125.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 186130 + ... + 186409.

It is an arithmetic number, because the mean of its divisors is an integer number (5215560).

Almost surely, 2^52155460 is an apocalyptic number.

It is an amenable number.

52155460 is an abundant number, since it is smaller than the sum of its proper divisors (73017980).

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

52155460 is a wasteful number, since it uses less digits than its factorization.

52155460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372555 (or 372553 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52155460 is about 7221.8737180873. The cubic root of 52155460 is about 373.6227047172.

The spelling of 52155460 in words is "fifty-two million, one hundred fifty-five thousand, four hundred sixty".