551420052 has 24 divisors (see below), whose sum is σ = 1354365600. Its totient is φ = 174132576.

The previous prime is 551420039. The next prime is 551420119. The reversal of 551420052 is 250024155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209027 + ... + 1209482.

It is an arithmetic number, because the mean of its divisors is an integer number (56431900).

Almost surely, 2^551420052 is an apocalyptic number.

It is an amenable number.

551420052 is an abundant number, since it is smaller than the sum of its proper divisors (802945548).

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

551420052 is a wasteful number, since it uses less digits than its factorization.

551420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418535 (or 2418533 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 551420052 is about 23482.3348924250. The cubic root of 551420052 is about 820.0258032729.

The spelling of 551420052 in words is "five hundred fifty-one million, four hundred twenty thousand, fifty-two".