56172041 has 4 divisors (see below), whose sum is σ = 56287872. Its totient is φ = 56056212.

The previous prime is 56172023. The next prime is 56172079. The reversal of 56172041 is 14027165.

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 a de Polignac number, because none of the positive numbers 2^k-56172041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56172041.

It is not an unprimeable number, because it can be changed into a prime (56172001) 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, 57185 + ... + 58158.

It is an arithmetic number, because the mean of its divisors is an integer number (14071968).

Almost surely, 2^56172041 is an apocalyptic number.

It is an amenable number.

56172041 is a deficient number, since it is larger than the sum of its proper divisors (115831).

56172041 is a wasteful number, since it uses less digits than its factorization.

56172041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115830.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 56172041 is about 7494.8009313123. The cubic root of 56172041 is about 382.9776248271.

The spelling of 56172041 in words is "fifty-six million, one hundred seventy-two thousand, forty-one".