55113970 has 16 divisors (see below), whose sum is σ = 102405888. Its totient is φ = 21334320.

The previous prime is 55113959. The next prime is 55114009. The reversal of 55113970 is 7931155.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88584 + ... + 89203.

It is an arithmetic number, because the mean of its divisors is an integer number (6400368).

Almost surely, 2^55113970 is an apocalyptic number.

55113970 is a deficient number, since it is larger than the sum of its proper divisors (47291918).

55113970 is a wasteful number, since it uses less digits than its factorization.

55113970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177825.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 55113970 is about 7423.8783664605. The cubic root of 55113970 is about 380.5577451424.

The spelling of 55113970 in words is "fifty-five million, one hundred thirteen thousand, nine hundred seventy".