52045136 has 120 divisors (see below), whose sum is σ = 126721056. Its totient is φ = 20401920.

The previous prime is 52045129. The next prime is 52045163. The reversal of 52045136 is 63154025.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210331 + ... + 1210373.

Almost surely, 2^52045136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52045136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63360528).

52045136 is an abundant number, since it is smaller than the sum of its proper divisors (74675920).

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

52045136 is a wasteful number, since it uses less digits than its factorization.

52045136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52045136 is about 7214.2314906024. The cubic root of 52045136 is about 373.3590784400.

Subtracting 52045136 from its reverse (63154025), we obtain a square (11108889 = 3333²).

The spelling of 52045136 in words is "fifty-two million, forty-five thousand, one hundred thirty-six".