56421075093 has 8 divisors (see below), whose sum is σ = 75245126208. Its totient is φ = 37605537024.

The previous prime is 56421075089. The next prime is 56421075097. The reversal of 56421075093 is 39057012465.

It is an interprime number because it is at equal distance from previous prime (56421075089) and next prime (56421075097).

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

It is not a de Polignac number, because 56421075093 - 2² = 56421075089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56421075097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112780 + ... + 2139317.

It is an arithmetic number, because the mean of its divisors is an integer number (9405640776).

Almost surely, 2^56421075093 is an apocalyptic number.

It is an amenable number.

56421075093 is a deficient number, since it is larger than the sum of its proper divisors (18824051115).

56421075093 is a wasteful number, since it uses less digits than its factorization.

56421075093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256523.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 56421075093 in words is "fifty-six billion, four hundred twenty-one million, seventy-five thousand, ninety-three".