52188516 has 96 divisors (see below), whose sum is σ = 147504000. Its totient is φ = 15894144.

The previous prime is 52188481. The next prime is 52188533. The reversal of 52188516 is 61588125.

52188516 is a `hidden beast` number, since 521 + 88 + 51 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59070 + ... + 59946.

It is an arithmetic number, because the mean of its divisors is an integer number (1536500).

Almost surely, 2^52188516 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 52188516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73752000).

52188516 is an abundant number, since it is smaller than the sum of its proper divisors (95315484).

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

52188516 is a wasteful number, since it uses less digits than its factorization.

52188516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 930 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 52188516 is about 7224.1619583174. The cubic root of 52188516 is about 373.7016217588.

The spelling of 52188516 in words is "fifty-two million, one hundred eighty-eight thousand, five hundred sixteen".