52129056 has 48 divisors (see below), whose sum is σ = 156389184. Its totient is φ = 14893824.

The previous prime is 52129003. The next prime is 52129087. The reversal of 52129056 is 65092125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×52129056² = 5434876958902272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 38115 + ... + 39458.

It is an arithmetic number, because the mean of its divisors is an integer number (3258108).

Almost surely, 2^52129056 is an apocalyptic number.

52129056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52129056 is an abundant number, since it is smaller than the sum of its proper divisors (104260128).

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

52129056 is a wasteful number, since it uses less digits than its factorization.

52129056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77593 (or 77585 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52129056 is about 7220.0454292200. The cubic root of 52129056 is about 373.5596445306.

The spelling of 52129056 in words is "fifty-two million, one hundred twenty-nine thousand, fifty-six".