56196901 has 4 divisors (see below), whose sum is σ = 56212204. Its totient is φ = 56181600.

The previous prime is 56196869. The next prime is 56196919. The reversal of 56196901 is 10969165.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20016676 + 36180225 = 4474^2 + 6015^2 .

It is a 3-Lehmer number, since φ(56196901) divides (56196901-1)³.

It is a cyclic number.

It is not a de Polignac number, because 56196901 - 2⁵ = 56196869 is a prime.

It is a deceptive number, since it divides R_56196900.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56196941) 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, 1531 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (14053051).

Almost surely, 2^56196901 is an apocalyptic number.

56196901 is the 6121-st pentagonal number.

It is an amenable number.

56196901 is a deficient number, since it is larger than the sum of its proper divisors (15303).

56196901 is an equidigital number, since it uses as much as digits as its factorization.

56196901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 56196901 is about 7496.4592308636. The cubic root of 56196901 is about 383.0341144934.

The spelling of 56196901 in words is "fifty-six million, one hundred ninety-six thousand, nine hundred one".