55919450 has 24 divisors (see below), whose sum is σ = 104306940. Its totient is φ = 22304000.

The previous prime is 55919441. The next prime is 55919483. The reversal of 55919450 is 5491955.

55919450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 42133081 + 13786369 = 6491^2 + 3713^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18656 + ... + 21444.

Almost surely, 2^55919450 is an apocalyptic number.

55919450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55919450 is a deficient number, since it is larger than the sum of its proper divisors (48387490).

55919450 is a wasteful number, since it uses less digits than its factorization.

55919450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 55919450 is about 7477.9308635478. The cubic root of 55919450 is about 382.4027120963.

The spelling of 55919450 in words is "fifty-five million, nine hundred nineteen thousand, four hundred fifty".