52786480 has 20 divisors (see below), whose sum is σ = 122728752. Its totient is φ = 21114560.

The previous prime is 52786453. The next prime is 52786537. The reversal of 52786480 is 8468725.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329836 + ... + 329995.

Almost surely, 2^52786480 is an apocalyptic number.

It is an amenable number.

52786480 is an abundant number, since it is smaller than the sum of its proper divisors (69942272).

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

52786480 is a wasteful number, since it uses less digits than its factorization.

52786480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659844 (or 659838 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 52786480 is about 7265.4304758906. The cubic root of 52786480 is about 375.1234674924.

The spelling of 52786480 in words is "fifty-two million, seven hundred eighty-six thousand, four hundred eighty".