55000497 has 16 divisors (see below), whose sum is σ = 77557760. Its totient is φ = 34573392.

The previous prime is 55000471. The next prime is 55000499. The reversal of 55000497 is 79400055.

It is not a de Polignac number, because 55000497 - 2⁷ = 55000369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10548 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (4847360).

Almost surely, 2^55000497 is an apocalyptic number.

55000497 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

55000497 is a deficient number, since it is larger than the sum of its proper divisors (22557263).

55000497 is a wasteful number, since it uses less digits than its factorization.

55000497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 55000497 is about 7416.2319947531. The cubic root of 55000497 is about 380.2963915681.

The spelling of 55000497 in words is "fifty-five million, four hundred ninety-seven", and thus it is an aban number.