55957097 has 4 divisors (see below), whose sum is σ = 63950976. Its totient is φ = 47963220.

The previous prime is 55957093. The next prime is 55957103. The reversal of 55957097 is 79075955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55957097 - 2² = 55957093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55957093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996929 + ... + 3996942.

It is an arithmetic number, because the mean of its divisors is an integer number (15987744).

Almost surely, 2^55957097 is an apocalyptic number.

It is an amenable number.

55957097 is a deficient number, since it is larger than the sum of its proper divisors (7993879).

55957097 is an equidigital number, since it uses as much as digits as its factorization.

55957097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993878.

The product of its (nonzero) digits is 496125, while the sum is 47.

The square root of 55957097 is about 7480.4476470329. The cubic root of 55957097 is about 382.4885086328.

The spelling of 55957097 in words is "fifty-five million, nine hundred fifty-seven thousand, ninety-seven".