52152520 has 32 divisors (see below), whose sum is σ = 134107200. Its totient is φ = 17880768.

The previous prime is 52152497. The next prime is 52152521. The reversal of 52152520 is 2525125.

It is a junction number, because it is equal to n+sod(n) for n = 52152491 and 52152500.

It is not an unprimeable number, because it can be changed into a prime (52152521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92850 + ... + 93409.

It is an arithmetic number, because the mean of its divisors is an integer number (4190850).

Almost surely, 2^52152520 is an apocalyptic number.

It is an amenable number.

52152520 is an abundant number, since it is smaller than the sum of its proper divisors (81954680).

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

52152520 is a wasteful number, since it uses less digits than its factorization.

52152520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186277 (or 186273 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52152520 is about 7221.6701669351. The cubic root of 52152520 is about 373.6156842225.

Adding to 52152520 its reverse (2525125), we get a palindrome (54677645).

The spelling of 52152520 in words is "fifty-two million, one hundred fifty-two thousand, five hundred twenty".