55247636730 has 128 divisors (see below), whose sum is σ = 160800546816. Its totient is φ = 11964268800.

The previous prime is 55247636641. The next prime is 55247636747. The reversal of 55247636730 is 3763674255.

It is a self number, because there is not a number n which added to its sum of digits gives 55247636730.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74724 + ... + 340703.

It is an arithmetic number, because the mean of its divisors is an integer number (1256254272).

Almost surely, 2^55247636730 is an apocalyptic number.

55247636730 is an abundant number, since it is smaller than the sum of its proper divisors (105552910086).

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

55247636730 is a wasteful number, since it uses less digits than its factorization.

55247636730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415492.

The product of its (nonzero) digits is 3175200, while the sum is 48.

The spelling of 55247636730 in words is "fifty-five billion, two hundred forty-seven million, six hundred thirty-six thousand, seven hundred thirty".