55107970 has 16 divisors (see below), whose sum is σ = 101305728. Its totient is φ = 21574000.

The previous prime is 55107959. The next prime is 55107971. The reversal of 55107970 is 7970155.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55107971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58156 + ... + 59095.

It is an arithmetic number, because the mean of its divisors is an integer number (6331608).

Almost surely, 2^55107970 is an apocalyptic number.

55107970 is a deficient number, since it is larger than the sum of its proper divisors (46197758).

55107970 is a wasteful number, since it uses less digits than its factorization.

55107970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117305.

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 55107970 is about 7423.4742540134. The cubic root of 55107970 is about 380.5439347943.

The spelling of 55107970 in words is "fifty-five million, one hundred seven thousand, nine hundred seventy".