551904542 has 12 divisors (see below), whose sum is σ = 963017280. Its totient is φ = 236530476.

The previous prime is 551904517. The next prime is 551904559. The reversal of 551904542 is 245409155.

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 5 ways as a sum of consecutive naturals, for example, 2815742 + ... + 2815937.

It is an arithmetic number, because the mean of its divisors is an integer number (80251440).

Almost surely, 2^551904542 is an apocalyptic number.

551904542 is a deficient number, since it is larger than the sum of its proper divisors (411112738).

551904542 is a wasteful number, since it uses less digits than its factorization.

551904542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631695 (or 5631688 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 551904542 is about 23492.6486799594. The cubic root of 551904542 is about 820.2658973110.

The spelling of 551904542 in words is "five hundred fifty-one million, nine hundred four thousand, five hundred forty-two".