5515246620 has 72 divisors (see below), whose sum is σ = 18016479936. Its totient is φ = 1357598592.

The previous prime is 5515246609. The next prime is 5515246669. The reversal of 5515246620 is 266425155.

5515246620 is a `hidden beast` number, since 5 + 5 + 1 + 5 + 24 + 6 + 620 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1176132 + ... + 1180811.

It is an arithmetic number, because the mean of its divisors is an integer number (250228888).

Almost surely, 2^5515246620 is an apocalyptic number.

It is an amenable number.

5515246620 is an abundant number, since it is smaller than the sum of its proper divisors (12501233316).

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

5515246620 is a wasteful number, since it uses less digits than its factorization.

5515246620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356971 (or 2356966 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5515246620 is about 74264.7064223646. The cubic root of 5515246620 is about 1766.8037500527.

The spelling of 5515246620 in words is "five billion, five hundred fifteen million, two hundred forty-six thousand, six hundred twenty".