53712870 has 32 divisors (see below), whose sum is σ = 132058080. Its totient is φ = 13973760.

The previous prime is 53712851. The next prime is 53712871. The reversal of 53712870 is 7821735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53712871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20605 + ... + 23064.

It is an arithmetic number, because the mean of its divisors is an integer number (4126815).

Almost surely, 2^53712870 is an apocalyptic number.

53712870 is an abundant number, since it is smaller than the sum of its proper divisors (78345210).

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

53712870 is a wasteful number, since it uses less digits than its factorization.

53712870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43720.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 53712870 is about 7328.9064668612. The cubic root of 53712870 is about 377.3051960426.

The spelling of 53712870 in words is "fifty-three million, seven hundred twelve thousand, eight hundred seventy".