55349378784 has 120 divisors (see below), whose sum is σ = 186035473008. Its totient is φ = 15814103040.

The previous prime is 55349378731. The next prime is 55349378807. The reversal of 55349378784 is 48787394355.

55349378784 is a `hidden beast` number, since 5 + 5 + 3 + 493 + 78 + 78 + 4 = 666.

55349378784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1507137 + ... + 1543424.

Almost surely, 2^55349378784 is an apocalyptic number.

55349378784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55349378784 is an abundant number, since it is smaller than the sum of its proper divisors (130686094224).

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

55349378784 is a wasteful number, since it uses less digits than its factorization.

55349378784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050590 (or 3050573 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 55349378784 in words is "fifty-five billion, three hundred forty-nine million, three hundred seventy-eight thousand, seven hundred eighty-four".