56421272542 has 8 divisors (see below), whose sum is σ = 84769077456. Its totient is φ = 28164913392.

The previous prime is 56421272489. The next prime is 56421272569. The reversal of 56421272542 is 24527212465.

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 = 56421272495 and 56421272504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22859898 + ... + 22862365.

It is an arithmetic number, because the mean of its divisors is an integer number (10596134682).

Almost surely, 2^56421272542 is an apocalyptic number.

56421272542 is a deficient number, since it is larger than the sum of its proper divisors (28347804914).

56421272542 is a wasteful number, since it uses less digits than its factorization.

56421272542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45722882.

The product of its digits is 268800, while the sum is 40.

The spelling of 56421272542 in words is "fifty-six billion, four hundred twenty-one million, two hundred seventy-two thousand, five hundred forty-two".