5515218572 has 48 divisors (see below), whose sum is σ = 10059396480. Its totient is φ = 2644088832.

The previous prime is 5515218539. The next prime is 5515218589. The reversal of 5515218572 is 2758125155.

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, 1889258 + ... + 1892174.

It is an arithmetic number, because the mean of its divisors is an integer number (209570760).

Almost surely, 2^5515218572 is an apocalyptic number.

It is an amenable number.

5515218572 is a deficient number, since it is larger than the sum of its proper divisors (4544177908).

5515218572 is a wasteful number, since it uses less digits than its factorization.

5515218572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170 (or 3168 counting only the distinct ones).

The product of its digits is 140000, while the sum is 41.

The square root of 5515218572 is about 74264.5175841061. The cubic root of 5515218572 is about 1766.8007549980.

The spelling of 5515218572 in words is "five billion, five hundred fifteen million, two hundred eighteen thousand, five hundred seventy-two".