52129158 has 32 divisors (see below), whose sum is σ = 107834496. Its totient is φ = 16789248.

The previous prime is 52129151. The next prime is 52129159. The reversal of 52129158 is 85192125.

It is a super-2 number, since 2×52129158² = 5434898227577928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52129151) 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, 23985 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (3369828).

Almost surely, 2^52129158 is an apocalyptic number.

52129158 is an abundant number, since it is smaller than the sum of its proper divisors (55705338).

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

52129158 is a wasteful number, since it uses less digits than its factorization.

52129158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its digits is 7200, while the sum is 33.

The square root of 52129158 is about 7220.0524928840. The cubic root of 52129158 is about 373.5598881763.

The spelling of 52129158 in words is "fifty-two million, one hundred twenty-nine thousand, one hundred fifty-eight".