55732710 has 32 divisors (see below), whose sum is σ = 145919232. Its totient is φ = 13510880.

The previous prime is 55732669. The next prime is 55732727. The reversal of 55732710 is 1723755.

It is a super-2 number, since 2×55732710² = 6212269927888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84114 + ... + 84773.

It is an arithmetic number, because the mean of its divisors is an integer number (4559976).

Almost surely, 2^55732710 is an apocalyptic number.

55732710 is an abundant number, since it is smaller than the sum of its proper divisors (90186522).

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

55732710 is a wasteful number, since it uses less digits than its factorization.

55732710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168908.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 55732710 is about 7465.4343477121. The cubic root of 55732710 is about 381.9765662735.

The spelling of 55732710 in words is "fifty-five million, seven hundred thirty-two thousand, seven hundred ten".