5515243428 has 48 divisors (see below), whose sum is σ = 13790105280. Its totient is φ = 1709420544.

The previous prime is 5515243399. The next prime is 5515243469. The reversal of 5515243428 is 8243425155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145933 + ... + 179796.

It is an arithmetic number, because the mean of its divisors is an integer number (287293860).

Almost surely, 2^5515243428 is an apocalyptic number.

It is an amenable number.

5515243428 is an abundant number, since it is smaller than the sum of its proper divisors (8274861852).

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

5515243428 is a wasteful number, since it uses less digits than its factorization.

5515243428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325836 (or 325834 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The square root of 5515243428 is about 74264.6849316686. The cubic root of 5515243428 is about 1766.8034092013.

The spelling of 5515243428 in words is "five billion, five hundred fifteen million, two hundred forty-three thousand, four hundred twenty-eight".