52015152 has 40 divisors (see below), whose sum is σ = 153569536. Its totient is φ = 14861376.

The previous prime is 52015147. The next prime is 52015169. The reversal of 52015152 is 25151025.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 77068 + ... + 77739.

Almost surely, 2^52015152 is an apocalyptic number.

It is an amenable number.

52015152 is an abundant number, since it is smaller than the sum of its proper divisors (101554384).

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

52015152 is a wasteful number, since it uses less digits than its factorization.

52015152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154825 (or 154819 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 52015152 is about 7212.1530765784. The cubic root of 52015152 is about 373.2873653720.

Adding to 52015152 its reverse (25151025), we get a palindrome (77166177).

The spelling of 52015152 in words is "fifty-two million, fifteen thousand, one hundred fifty-two".