56422542 has 96 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 15681600.

The previous prime is 56422537. The next prime is 56422543. The reversal of 56422542 is 24522465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56422543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517584 + ... + 517692.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

Almost surely, 2^56422542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56422542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67415040).

56422542 is an abundant number, since it is smaller than the sum of its proper divisors (78407538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56422542 is a wasteful number, since it uses less digits than its factorization.

56422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 56422542 is about 7511.4939925424. The cubic root of 56422542 is about 383.5460809384.

The spelling of 56422542 in words is "fifty-six million, four hundred twenty-two thousand, five hundred forty-two".