55492784 has 20 divisors (see below), whose sum is σ = 107827920. Its totient is φ = 27666240.

The previous prime is 55492783. The next prime is 55492799. The reversal of 55492784 is 48729455.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55492781) 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, 914 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (5391396).

Almost surely, 2^55492784 is an apocalyptic number.

It is an amenable number.

55492784 is a deficient number, since it is larger than the sum of its proper divisors (52335136).

55492784 is a wasteful number, since it uses less digits than its factorization.

55492784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028 (or 10022 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55492784 is about 7449.3478909231. The cubic root of 55492784 is about 381.4276490373.

The spelling of 55492784 in words is "fifty-five million, four hundred ninety-two thousand, seven hundred eighty-four".