53129976 has 32 divisors (see below), whose sum is σ = 133045200. Its totient is φ = 17680640.

The previous prime is 53129971. The next prime is 53130019. The reversal of 53129976 is 67992135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53129971) 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, 16810 + ... + 19718.

Almost surely, 2^53129976 is an apocalyptic number.

It is an amenable number.

53129976 is an abundant number, since it is smaller than the sum of its proper divisors (79915224).

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

53129976 is a wasteful number, since it uses less digits than its factorization.

53129976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3675 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 53129976 is about 7289.0312113476. The cubic root of 53129976 is about 375.9353857582.

The spelling of 53129976 in words is "fifty-three million, one hundred twenty-nine thousand, nine hundred seventy-six".