551365044 has 24 divisors (see below), whose sum is σ = 1288764288. Its totient is φ = 183467520.

The previous prime is 551364967. The next prime is 551365069. The reversal of 551365044 is 440563155.

It is a junction number, because it is equal to n+sod(n) for n = 551364996 and 551365014.

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, 32892 + ... + 46739.

It is an arithmetic number, because the mean of its divisors is an integer number (53698512).

Almost surely, 2^551365044 is an apocalyptic number.

It is an amenable number.

551365044 is an abundant number, since it is smaller than the sum of its proper divisors (737399244).

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

551365044 is a wasteful number, since it uses less digits than its factorization.

551365044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80215 (or 80213 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 551365044 is about 23481.1635997878. The cubic root of 551365044 is about 819.9985345998.

The spelling of 551365044 in words is "five hundred fifty-one million, three hundred sixty-five thousand, forty-four".