53977480 has 32 divisors (see below), whose sum is σ = 127843200. Its totient is φ = 20454336.

The previous prime is 53977477. The next prime is 53977489. The reversal of 53977480 is 8477935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53977489) 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, 34752 + ... + 36271.

It is an arithmetic number, because the mean of its divisors is an integer number (3995100).

Almost surely, 2^53977480 is an apocalyptic number.

It is an amenable number.

53977480 is an abundant number, since it is smaller than the sum of its proper divisors (73865720).

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

53977480 is a wasteful number, since it uses less digits than its factorization.

53977480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71053 (or 71049 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 53977480 is about 7346.9367766437. The cubic root of 53977480 is about 377.9237642884.

The spelling of 53977480 in words is "fifty-three million, nine hundred seventy-seven thousand, four hundred eighty".