55500497 has 8 divisors (see below), whose sum is σ = 59834880. Its totient is φ = 51175440.

The previous prime is 55500493. The next prime is 55500499. The reversal of 55500497 is 79400555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55500497 - 2² = 55500493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14672 + ... + 18062.

It is an arithmetic number, because the mean of its divisors is an integer number (7479360).

Almost surely, 2^55500497 is an apocalyptic number.

It is an amenable number.

55500497 is a deficient number, since it is larger than the sum of its proper divisors (4334383).

55500497 is a wasteful number, since it uses less digits than its factorization.

55500497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55500497 is about 7449.8655692569. The cubic root of 55500497 is about 381.4453198944.

The spelling of 55500497 in words is "fifty-five million, five hundred thousand, four hundred ninety-seven".