55580297 has 8 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 53972640.

The previous prime is 55580279. The next prime is 55580323. The reversal of 55580297 is 79208555.

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 55580297 - 2¹² = 55576201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55580207) 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, 6104 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (7150080).

Almost surely, 2^55580297 is an apocalyptic number.

It is an amenable number.

55580297 is a deficient number, since it is larger than the sum of its proper divisors (1620343).

55580297 is a wasteful number, since it uses less digits than its factorization.

55580297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 55580297 is about 7455.2194468037. The cubic root of 55580297 is about 381.6280495455.

The spelling of 55580297 in words is "fifty-five million, five hundred eighty thousand, two hundred ninety-seven".