5531551028 has 6 divisors (see below), whose sum is σ = 9680214306. Its totient is φ = 2765775512.

The previous prime is 5531550989. The next prime is 5531551033. The reversal of 5531551028 is 8201551355.

It can be written as a sum of positive squares in only one way, i.e., 5521678864 + 9872164 = 74308^2 + 3142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691443875 + ... + 691443882.

It is an arithmetic number, because the mean of its divisors is an integer number (1613369051).

Almost surely, 2^5531551028 is an apocalyptic number.

It is an amenable number.

5531551028 is a deficient number, since it is larger than the sum of its proper divisors (4148663278).

5531551028 is a wasteful number, since it uses less digits than its factorization.

5531551028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382887761 (or 1382887759 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 5531551028 is about 74374.3976647878. The cubic root of 5531551028 is about 1768.5430708354.

The spelling of 5531551028 in words is "five billion, five hundred thirty-one million, five hundred fifty-one thousand, twenty-eight".