53662716 has 24 divisors (see below), whose sum is σ = 139125840. Its totient is φ = 17887536.

The previous prime is 53662681. The next prime is 53662729. The reversal of 53662716 is 61726635.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 248331 + ... + 248546.

It is an arithmetic number, because the mean of its divisors is an integer number (5796910).

Almost surely, 2^53662716 is an apocalyptic number.

It is an amenable number.

53662716 is an abundant number, since it is smaller than the sum of its proper divisors (85463124).

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

53662716 is a wasteful number, since it uses less digits than its factorization.

53662716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496890 (or 496882 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 53662716 is about 7325.4840113128. The cubic root of 53662716 is about 377.1877241486.

The spelling of 53662716 in words is "fifty-three million, six hundred sixty-two thousand, seven hundred sixteen".