52520152 has 8 divisors (see below), whose sum is σ = 98475300. Its totient is φ = 26260072.

The previous prime is 52520141. The next prime is 52520179. The reversal of 52520152 is 25102525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×52520152² = 5516732732206208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282502 + ... + 3282517.

Almost surely, 2^52520152 is an apocalyptic number.

It is an amenable number.

52520152 is a deficient number, since it is larger than the sum of its proper divisors (45955148).

52520152 is a wasteful number, since it uses less digits than its factorization.

52520152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565025 (or 6565021 counting only the distinct ones).

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

The square root of 52520152 is about 7247.0788597890. The cubic root of 52520152 is about 374.4915229961.

Adding to 52520152 its reverse (25102525), we get a palindrome (77622677).

The spelling of 52520152 in words is "fifty-two million, five hundred twenty thousand, one hundred fifty-two".