52331512 has 8 divisors (see below), whose sum is σ = 98121600. Its totient is φ = 26165752.

The previous prime is 52331497. The next prime is 52331549. The reversal of 52331512 is 21513325.

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

It is a super-2 number, since 2×52331512² = 5477174296412288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270712 + ... + 3270727.

It is an arithmetic number, because the mean of its divisors is an integer number (12265200).

Almost surely, 2^52331512 is an apocalyptic number.

It is an amenable number.

52331512 is a deficient number, since it is larger than the sum of its proper divisors (45790088).

52331512 is a wasteful number, since it uses less digits than its factorization.

52331512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541445 (or 6541441 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 52331512 is about 7234.0522530598. The cubic root of 52331512 is about 374.0426233748.

Adding to 52331512 its reverse (21513325), we get a palindrome (73844837).

The spelling of 52331512 in words is "fifty-two million, three hundred thirty-one thousand, five hundred twelve".