55315248384 has 72 divisors (see below), whose sum is σ = 160602819552. Its totient is φ = 16762193920.

The previous prime is 55315248379. The next prime is 55315248389. The reversal of 55315248384 is 48384251355.

It is an interprime number because it is at equal distance from previous prime (55315248379) and next prime (55315248389).

It is a super-2 number, since 2×55315248384² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55315248389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265419 + ... + 3282314.

It is an arithmetic number, because the mean of its divisors is an integer number (2230594716).

Almost surely, 2^55315248384 is an apocalyptic number.

It is an amenable number.

55315248384 is an abundant number, since it is smaller than the sum of its proper divisors (105287571168).

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

55315248384 is a wasteful number, since it uses less digits than its factorization.

55315248384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547763 (or 6547749 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 48.

The spelling of 55315248384 in words is "fifty-five billion, three hundred fifteen million, two hundred forty-eight thousand, three hundred eighty-four".