55316790648 has 64 divisors (see below), whose sum is σ = 175608864000. Its totient is φ = 15804796896.

The previous prime is 55316790629. The next prime is 55316790667. The reversal of 55316790648 is 84609761355.

55316790648 is a `hidden beast` number, since 5 + 531 + 67 + 9 + 0 + 6 + 48 = 666.

55316790648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55316790629) and next prime (55316790667).

It is a super-3 number, since 3×55316790648³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 55316790594 and 55316790603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18291078 + ... + 18294101.

It is an arithmetic number, because the mean of its divisors is an integer number (2743888500).

Almost surely, 2^55316790648 is an apocalyptic number.

It is an amenable number.

55316790648 is an abundant number, since it is smaller than the sum of its proper divisors (120292073352).

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

55316790648 is a wasteful number, since it uses less digits than its factorization.

55316790648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36585201 (or 36585191 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 55316790648 in words is "fifty-five billion, three hundred sixteen million, seven hundred ninety thousand, six hundred forty-eight".