55670980 has 12 divisors (see below), whose sum is σ = 116909100. Its totient is φ = 22268384.

The previous prime is 55670963. The next prime is 55671001. The reversal of 55670980 is 8907655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35904064 + 19766916 = 5992^2 + 4446^2 .

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, 1391755 + ... + 1391794.

It is an arithmetic number, because the mean of its divisors is an integer number (9742425).

Almost surely, 2^55670980 is an apocalyptic number.

It is an amenable number.

55670980 is an abundant number, since it is smaller than the sum of its proper divisors (61238120).

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

55670980 is a wasteful number, since it uses less digits than its factorization.

55670980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783558 (or 2783556 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 55670980 is about 7461.2988145496. The cubic root of 55670980 is about 381.8354873968.

The spelling of 55670980 in words is "fifty-five million, six hundred seventy thousand, nine hundred eighty".