55247033902 has 8 divisors (see below), whose sum is σ = 83089207800. Its totient is φ = 27550631304.

The previous prime is 55247033899. The next prime is 55247033903. The reversal of 55247033902 is 20933074255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55247033903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36441877 + ... + 36443392.

It is an arithmetic number, because the mean of its divisors is an integer number (10386150975).

Almost surely, 2^55247033902 is an apocalyptic number.

55247033902 is a deficient number, since it is larger than the sum of its proper divisors (27842173898).

55247033902 is a wasteful number, since it uses less digits than its factorization.

55247033902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72885650.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 55247033902 in words is "fifty-five billion, two hundred forty-seven million, thirty-three thousand, nine hundred two".