53979628 has 6 divisors (see below), whose sum is σ = 94464356. Its totient is φ = 26989812.

The previous prime is 53979623. The next prime is 53979647. The reversal of 53979628 is 82697935.

It is not an unprimeable number, because it can be changed into a prime (53979623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6747450 + ... + 6747457.

Almost surely, 2^53979628 is an apocalyptic number.

It is an amenable number.

53979628 is a deficient number, since it is larger than the sum of its proper divisors (40484728).

53979628 is a wasteful number, since it uses less digits than its factorization.

53979628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494911 (or 13494909 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 53979628 is about 7347.0829585625. The cubic root of 53979628 is about 377.9287773018.

The spelling of 53979628 in words is "fifty-three million, nine hundred seventy-nine thousand, six hundred twenty-eight".