5515553442 has 32 divisors (see below), whose sum is σ = 13041705600. Its totient is φ = 1521531648.

The previous prime is 5515553359. The next prime is 5515553467. The reversal of 5515553442 is 2443555155.

It is a self number, because there is not a number n which added to its sum of digits gives 5515553442.

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, 2262967 + ... + 2265402.

It is an arithmetic number, because the mean of its divisors is an integer number (407553300).

Almost surely, 2^5515553442 is an apocalyptic number.

5515553442 is an abundant number, since it is smaller than the sum of its proper divisors (7526152158).

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

5515553442 is a wasteful number, since it uses less digits than its factorization.

5515553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528410.

The product of its digits is 300000, while the sum is 39.

The square root of 5515553442 is about 74266.7721258976. The cubic root of 5515553442 is about 1766.8365128190.

The spelling of 5515553442 in words is "five billion, five hundred fifteen million, five hundred fifty-three thousand, four hundred forty-two".