55425722 has 16 divisors (see below), whose sum is σ = 94640832. Its totient is φ = 24097920.

The previous prime is 55425719. The next prime is 55425743. The reversal of 55425722 is 22752455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54263 + ... + 55274.

It is an arithmetic number, because the mean of its divisors is an integer number (5915052).

Almost surely, 2^55425722 is an apocalyptic number.

55425722 is a deficient number, since it is larger than the sum of its proper divisors (39215110).

55425722 is a wasteful number, since it uses less digits than its factorization.

55425722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109573.

The product of its digits is 28000, while the sum is 32.

The square root of 55425722 is about 7444.8453308313. The cubic root of 55425722 is about 381.2739376890.

The spelling of 55425722 in words is "fifty-five million, four hundred twenty-five thousand, seven hundred twenty-two".