551549085 has 32 divisors (see below), whose sum is σ = 926270208. Its totient is φ = 279713280.

The previous prime is 551549069. The next prime is 551549099. The reversal of 551549085 is 580945155.

It is a happy number.

It is not a de Polignac number, because 551549085 - 2⁴ = 551549069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55065 + ... + 64305.

It is an arithmetic number, because the mean of its divisors is an integer number (28945944).

Almost surely, 2^551549085 is an apocalyptic number.

It is an amenable number.

551549085 is a deficient number, since it is larger than the sum of its proper divisors (374721123).

551549085 is a wasteful number, since it uses less digits than its factorization.

551549085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 551549085 is about 23485.0821799712. The cubic root of 551549085 is about 820.0897606480.

The spelling of 551549085 in words is "five hundred fifty-one million, five hundred forty-nine thousand, eighty-five".