53121776 has 20 divisors (see below), whose sum is σ = 103195032. Its totient is φ = 26490816.

The previous prime is 53121767. The next prime is 53121793. The reversal of 53121776 is 67712135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171 + ... + 10533.

Almost surely, 2^53121776 is an apocalyptic number.

It is an amenable number.

53121776 is a deficient number, since it is larger than the sum of its proper divisors (50073256).

53121776 is a wasteful number, since it uses less digits than its factorization.

53121776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8762 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 53121776 is about 7288.4687006257. The cubic root of 53121776 is about 375.9160443305.

The spelling of 53121776 in words is "fifty-three million, one hundred twenty-one thousand, seven hundred seventy-six".