56446142 has 8 divisors (see below), whose sum is σ = 85689576. Its totient is φ = 27882952.

The previous prime is 56446139. The next prime is 56446147. The reversal of 56446142 is 24164465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 56446099 and 56446108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56446147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169853 + ... + 170184.

It is an arithmetic number, because the mean of its divisors is an integer number (10711197).

Almost surely, 2^56446142 is an apocalyptic number.

56446142 is a deficient number, since it is larger than the sum of its proper divisors (29243434).

56446142 is a wasteful number, since it uses less digits than its factorization.

56446142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340122.

The product of its digits is 23040, while the sum is 32.

The square root of 56446142 is about 7513.0647541466. The cubic root of 56446142 is about 383.5995490822.

The spelling of 56446142 in words is "fifty-six million, four hundred forty-six thousand, one hundred forty-two".