55951404 has 24 divisors (see below), whose sum is σ = 134765568. Its totient is φ = 18048720.

The previous prime is 55951397. The next prime is 55951417. The reversal of 55951404 is 40415955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74832 + ... + 75575.

It is an arithmetic number, because the mean of its divisors is an integer number (5615232).

Almost surely, 2^55951404 is an apocalyptic number.

It is an amenable number.

55951404 is an abundant number, since it is smaller than the sum of its proper divisors (78814164).

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

55951404 is a wasteful number, since it uses less digits than its factorization.

55951404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150445 (or 150443 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 55951404 is about 7480.0671119984. The cubic root of 55951404 is about 382.4755369036.

The spelling of 55951404 in words is "fifty-five million, nine hundred fifty-one thousand, four hundred four".