52155500 has 24 divisors (see below), whose sum is σ = 113908704. Its totient is φ = 20862000.

The previous prime is 52155497. The next prime is 52155511. The reversal of 52155500 is 555125.

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, 51656 + ... + 52655.

It is an arithmetic number, because the mean of its divisors is an integer number (4746196).

Almost surely, 2^52155500 is an apocalyptic number.

52155500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52155500 is an abundant number, since it is smaller than the sum of its proper divisors (61753204).

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

52155500 is a wasteful number, since it uses less digits than its factorization.

52155500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104330 (or 104318 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 52155500 is about 7221.8764874512. The cubic root of 52155500 is about 373.6228002323.

The spelling of 52155500 in words is "fifty-two million, one hundred fifty-five thousand, five hundred".