53978588 has 12 divisors (see below), whose sum is σ = 96659640. Its totient is φ = 26361552.

The previous prime is 53978581. The next prime is 53978627. The reversal of 53978588 is 88587935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53978581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156743 + ... + 157086.

It is an arithmetic number, because the mean of its divisors is an integer number (8054970).

Almost surely, 2^53978588 is an apocalyptic number.

It is an amenable number.

53978588 is a deficient number, since it is larger than the sum of its proper divisors (42681052).

53978588 is a wasteful number, since it uses less digits than its factorization.

53978588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313876 (or 313874 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The square root of 53978588 is about 7347.0121818328. The cubic root of 53978588 is about 377.9263501611.

The spelling of 53978588 in words is "fifty-three million, nine hundred seventy-eight thousand, five hundred eighty-eight".