56099942 has 4 divisors (see below), whose sum is σ = 84149916. Its totient is φ = 28049970.

The previous prime is 56099941. The next prime is 56099957. The reversal of 56099942 is 24999065.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 56099893 and 56099902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14024984 + ... + 14024987.

It is an arithmetic number, because the mean of its divisors is an integer number (21037479).

Almost surely, 2^56099942 is an apocalyptic number.

56099942 is a deficient number, since it is larger than the sum of its proper divisors (28049974).

56099942 is a wasteful number, since it uses less digits than its factorization.

56099942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28049973.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 56099942 is about 7489.9894525960. The cubic root of 56099942 is about 382.8136991116.

It can be divided in two parts, 5609 and 9942, that added together give a palindrome (15551).

The spelling of 56099942 in words is "fifty-six million, ninety-nine thousand, nine hundred forty-two".