56445998 has 16 divisors (see below), whose sum is σ = 101857920. Its totient is φ = 22917816.

The previous prime is 56445997. The next prime is 56446003. The reversal of 56445998 is 89954465.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56445997) 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, 105836 + ... + 106367.

It is an arithmetic number, because the mean of its divisors is an integer number (6366120).

Almost surely, 2^56445998 is an apocalyptic number.

56445998 is a deficient number, since it is larger than the sum of its proper divisors (45411922).

56445998 is a wasteful number, since it uses less digits than its factorization.

56445998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212231.

The product of its digits is 1555200, while the sum is 50.

The square root of 56445998 is about 7513.0551708343. The cubic root of 56445998 is about 383.5992228811.

The spelling of 56445998 in words is "fifty-six million, four hundred forty-five thousand, nine hundred ninety-eight".