55413784 has 16 divisors (see below), whose sum is σ = 104139000. Its totient is φ = 27643392.

The previous prime is 55413781. The next prime is 55413791. The reversal of 55413784 is 48731455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413781) 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, 4122 + ... + 11305.

Almost surely, 2^55413784 is an apocalyptic number.

It is an amenable number.

55413784 is a deficient number, since it is larger than the sum of its proper divisors (48725216).

55413784 is a wasteful number, since it uses less digits than its factorization.

55413784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882 (or 15878 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 55413784 is about 7444.0435248593. The cubic root of 55413784 is about 381.2465618610.

The spelling of 55413784 in words is "fifty-five million, four hundred thirteen thousand, seven hundred eighty-four".