55578308 has 6 divisors (see below), whose sum is σ = 97262046. Its totient is φ = 27789152.

The previous prime is 55578307. The next prime is 55578311. The reversal of 55578308 is 80387555.

It can be written as a sum of positive squares in only one way, i.e., 46348864 + 9229444 = 6808^2 + 3038^2 .

It is not an unprimeable number, because it can be changed into a prime (55578301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947285 + ... + 6947292.

It is an arithmetic number, because the mean of its divisors is an integer number (16210341).

Almost surely, 2^55578308 is an apocalyptic number.

It is an amenable number.

55578308 is a deficient number, since it is larger than the sum of its proper divisors (41683738).

55578308 is a wasteful number, since it uses less digits than its factorization.

55578308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13894581 (or 13894579 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 55578308 is about 7455.0860491345. The cubic root of 55578308 is about 381.6234971694.

The spelling of 55578308 in words is "fifty-five million, five hundred seventy-eight thousand, three hundred eight".