55180970 has 32 divisors (see below), whose sum is σ = 107993088. Its totient is φ = 20179008.

The previous prime is 55180967. The next prime is 55181017. The reversal of 55180970 is 7908155.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55180970.

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, 11927 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (3374784).

Almost surely, 2^55180970 is an apocalyptic number.

55180970 is a deficient number, since it is larger than the sum of its proper divisors (52812118).

55180970 is a wasteful number, since it uses less digits than its factorization.

55180970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 55180970 is about 7428.3894620570. The cubic root of 55180970 is about 380.7118926531.

The spelling of 55180970 in words is "fifty-five million, one hundred eighty thousand, nine hundred seventy".