52661056 has 112 divisors (see below), whose sum is σ = 126991872. Its totient is φ = 21196800.

The previous prime is 52661023. The next prime is 52661137. The reversal of 52661056 is 65016625.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863266 + ... + 863326.

It is an arithmetic number, because the mean of its divisors is an integer number (1133856).

Almost surely, 2^52661056 is an apocalyptic number.

52661056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52661056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63495936).

52661056 is an abundant number, since it is smaller than the sum of its proper divisors (74330816).

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

52661056 is a wasteful number, since it uses less digits than its factorization.

52661056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 52661056 is about 7256.7937823808. The cubic root of 52661056 is about 374.8261262084.

The spelling of 52661056 in words is "fifty-two million, six hundred sixty-one thousand, fifty-six".