53561512 has 32 divisors (see below), whose sum is σ = 102326400. Its totient is φ = 26280000.

The previous prime is 53561507. The next prime is 53561567. The reversal of 53561512 is 21516535.

It is a super-2 number, since 2×53561512² = 5737671135452288, which contains 22 as substring.

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, 121789 + ... + 122227.

It is an arithmetic number, because the mean of its divisors is an integer number (3197700).

Almost surely, 2^53561512 is an apocalyptic number.

It is an amenable number.

53561512 is a deficient number, since it is larger than the sum of its proper divisors (48764888).

53561512 is a wasteful number, since it uses less digits than its factorization.

53561512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 693 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 53561512 is about 7318.5730849668. The cubic root of 53561512 is about 376.9504586778.

The spelling of 53561512 in words is "fifty-three million, five hundred sixty-one thousand, five hundred twelve".