56904197 has 16 divisors (see below), whose sum is σ = 66211200. Its totient is φ = 47900160.

The previous prime is 56904191. The next prime is 56904217. The reversal of 56904197 is 79140965.

It is not a de Polignac number, because 56904197 - 2⁴ = 56904181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56904191) 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, 149954 + ... + 150332.

It is an arithmetic number, because the mean of its divisors is an integer number (4138200).

Almost surely, 2^56904197 is an apocalyptic number.

It is an amenable number.

56904197 is a deficient number, since it is larger than the sum of its proper divisors (9307003).

56904197 is a wasteful number, since it uses less digits than its factorization.

56904197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 56904197 is about 7543.4870583835. The cubic root of 56904197 is about 384.6343793788.

The spelling of 56904197 in words is "fifty-six million, nine hundred four thousand, one hundred ninety-seven".