56172242 has 16 divisors (see below), whose sum is σ = 97457472. Its totient is φ = 23783280.

The previous prime is 56172241. The next prime is 56172247. The reversal of 56172242 is 24227165.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56172241) 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, 23009 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (6091092).

Almost surely, 2^56172242 is an apocalyptic number.

56172242 is a deficient number, since it is larger than the sum of its proper divisors (41285230).

56172242 is a wasteful number, since it uses less digits than its factorization.

56172242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48433.

The product of its digits is 6720, while the sum is 29.

The square root of 56172242 is about 7494.8143405958. The cubic root of 56172242 is about 382.9780816285.

The spelling of 56172242 in words is "fifty-six million, one hundred seventy-two thousand, two hundred forty-two".