53977960 has 32 divisors (see below), whose sum is σ = 121721760. Its totient is φ = 21542976.

The previous prime is 53977951. The next prime is 53977981. The reversal of 53977960 is 6977935.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53977960.

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, 20647 + ... + 23113.

It is an arithmetic number, because the mean of its divisors is an integer number (3803805).

Almost surely, 2^53977960 is an apocalyptic number.

It is an amenable number.

53977960 is an abundant number, since it is smaller than the sum of its proper divisors (67743800).

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

53977960 is a wasteful number, since it uses less digits than its factorization.

53977960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 53977960 is about 7346.9694432467. The cubic root of 53977960 is about 377.9248845264.

The spelling of 53977960 in words is "fifty-three million, nine hundred seventy-seven thousand, nine hundred sixty".