55415908 has 6 divisors (see below), whose sum is σ = 96977846. Its totient is φ = 27707952.

The previous prime is 55415881. The next prime is 55415909. The reversal of 55415908 is 80951455.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 2096704 = 7302^2 + 1448^2 .

It is not an unprimeable number, because it can be changed into a prime (55415909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6926985 + ... + 6926992.

Almost surely, 2^55415908 is an apocalyptic number.

It is an amenable number.

55415908 is a deficient number, since it is larger than the sum of its proper divisors (41561938).

55415908 is a wasteful number, since it uses less digits than its factorization.

55415908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13853981 (or 13853979 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 55415908 is about 7444.1861878919. The cubic root of 55415908 is about 381.2514328352.

It can be divided in two parts, 5541 and 5908, that added together give a square (11449 = 107²).

The spelling of 55415908 in words is "fifty-five million, four hundred fifteen thousand, nine hundred eight".