55939080 has 64 divisors (see below), whose sum is σ = 170683200. Its totient is φ = 14662400.

The previous prime is 55939067. The next prime is 55939109. The reversal of 55939080 is 8093955.

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, 3130 + ... + 11030.

It is an arithmetic number, because the mean of its divisors is an integer number (2666925).

Almost surely, 2^55939080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55939080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85341600).

55939080 is an abundant number, since it is smaller than the sum of its proper divisors (114744120).

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

55939080 is a wasteful number, since it uses less digits than its factorization.

55939080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 55939080 is about 7479.2432772307. The cubic root of 55939080 is about 382.4474531601.

It can be divided in two parts, 55 and 939080, that added together give a triangular number (939135 = T₁₃₇₀).

The spelling of 55939080 in words is "fifty-five million, nine hundred thirty-nine thousand, eighty".