55970208 has 72 divisors (see below), whose sum is σ = 181909728. Its totient is φ = 15990912.

The previous prime is 55970191. The next prime is 55970209. The reversal of 55970208 is 80207955.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55970209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11866 + ... + 15897.

It is an arithmetic number, because the mean of its divisors is an integer number (2526524).

Almost surely, 2^55970208 is an apocalyptic number.

It is an amenable number.

55970208 is an abundant number, since it is smaller than the sum of its proper divisors (125939520).

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

55970208 is a wasteful number, since it uses less digits than its factorization.

55970208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27786 (or 27775 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 55970208 is about 7481.3239470030. The cubic root of 55970208 is about 382.5183792271.

The spelling of 55970208 in words is "fifty-five million, nine hundred seventy thousand, two hundred eight".