55919492 has 12 divisors (see below), whose sum is σ = 99518160. Its totient is φ = 27485736.

The previous prime is 55919491. The next prime is 55919503. The reversal of 55919492 is 29491955.

It is not an unprimeable number, because it can be changed into a prime (55919491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 118238 + ... + 118709.

It is an arithmetic number, because the mean of its divisors is an integer number (8293180).

Almost surely, 2^55919492 is an apocalyptic number.

It is an amenable number.

55919492 is a deficient number, since it is larger than the sum of its proper divisors (43598668).

55919492 is a wasteful number, since it uses less digits than its factorization.

55919492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237010 (or 237008 counting only the distinct ones).

The product of its digits is 145800, while the sum is 44.

The square root of 55919492 is about 7477.9336718107. The cubic root of 55919492 is about 382.4028078346.

The spelling of 55919492 in words is "fifty-five million, nine hundred nineteen thousand, four hundred ninety-two".