550555497 has 24 divisors (see below), whose sum is σ = 806105664. Its totient is φ = 362054304.

The previous prime is 550555477. The next prime is 550555501. The reversal of 550555497 is 794555055.

550555497 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 554 + 97 = 666.

It is not a de Polignac number, because 550555497 - 2⁶ = 550555433 is a prime.

It is a super-2 number, since 2×550555497² = 606222710553834018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550555477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270598 + ... + 272624.

It is an arithmetic number, because the mean of its divisors is an integer number (33587736).

Almost surely, 2^550555497 is an apocalyptic number.

It is an amenable number.

550555497 is a deficient number, since it is larger than the sum of its proper divisors (255550167).

550555497 is a wasteful number, since it uses less digits than its factorization.

550555497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The square root of 550555497 is about 23463.9190460588. The cubic root of 550555497 is about 819.5970144596.

The spelling of 550555497 in words is "five hundred fifty million, five hundred fifty-five thousand, four hundred ninety-seven".