55710442 has 4 divisors (see below), whose sum is σ = 83565666. Its totient is φ = 27855220.

The previous prime is 55710427. The next prime is 55710443. The reversal of 55710442 is 24401755.

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

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 3884841 = 7199^2 + 1971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55710442.

It is not an unprimeable number, because it can be changed into a prime (55710443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13927609 + ... + 13927612.

Almost surely, 2^55710442 is an apocalyptic number.

55710442 is a deficient number, since it is larger than the sum of its proper divisors (27855224).

55710442 is a wasteful number, since it uses less digits than its factorization.

55710442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27855223.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 55710442 is about 7463.9427918494. The cubic root of 55710442 is about 381.9256865940.

The spelling of 55710442 in words is "fifty-five million, seven hundred ten thousand, four hundred forty-two".