55237734515 has 12 divisors (see below), whose sum is σ = 69957598464. Its totient is φ = 41864386896.

The previous prime is 55237734481. The next prime is 55237734523. The reversal of 55237734515 is 51543773255.

It is not a de Polignac number, because 55237734515 - 2⁶ = 55237734451 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55237734515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15299507 + ... + 15303116.

It is an arithmetic number, because the mean of its divisors is an integer number (5829799872).

Almost surely, 2^55237734515 is an apocalyptic number.

55237734515 is a deficient number, since it is larger than the sum of its proper divisors (14719863949).

55237734515 is a wasteful number, since it uses less digits than its factorization.

55237734515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30602666 (or 30602647 counting only the distinct ones).

The product of its digits is 2205000, while the sum is 47.

The spelling of 55237734515 in words is "fifty-five billion, two hundred thirty-seven million, seven hundred thirty-four thousand, five hundred fifteen".