5115055644 has 54 divisors (see below), whose sum is σ = 13050524760. Its totient is φ = 1689234912.

The previous prime is 5115055609. The next prime is 5115055651. The reversal of 5115055644 is 4465505115.

5115055644 is a `hidden beast` number, since 5 + 1 + 1 + 5 + 0 + 5 + 5 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5115055599 and 5115055608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 421737 + ... + 433695.

Almost surely, 2^5115055644 is an apocalyptic number.

It is an amenable number.

5115055644 is an abundant number, since it is smaller than the sum of its proper divisors (7935469116).

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

5115055644 is a wasteful number, since it uses less digits than its factorization.

5115055644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187 (or 12073 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 5115055644 is about 71519.6171969621. The cubic root of 5115055644 is about 1722.9927664588.

The spelling of 5115055644 in words is "five billion, one hundred fifteen million, fifty-five thousand, six hundred forty-four".