56854437420 has 48 divisors (see below), whose sum is σ = 173664465408. Its totient is φ = 13782893760.

The previous prime is 56854437401. The next prime is 56854437421. The reversal of 56854437420 is 2473445865.

It is a super-3 number, since 3×56854437420³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56854437420.

It is not an unprimeable number, because it can be changed into a prime (56854437421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43070884 + ... + 43072203.

It is an arithmetic number, because the mean of its divisors is an integer number (3618009696).

Almost surely, 2^56854437420 is an apocalyptic number.

It is an amenable number.

56854437420 is an abundant number, since it is smaller than the sum of its proper divisors (116810027988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56854437420 is a wasteful number, since it uses less digits than its factorization.

56854437420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86143110 (or 86143108 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 56854437420 in words is "fifty-six billion, eight hundred fifty-four million, four hundred thirty-seven thousand, four hundred twenty".