56286151638 has 16 divisors (see below), whose sum is σ = 112609116336. Its totient is φ = 18755915040.

The previous prime is 56286151637. The next prime is 56286151651. The reversal of 56286151638 is 83615168265.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56286151631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513981 + ... + 1550712.

It is an arithmetic number, because the mean of its divisors is an integer number (7038069771).

Almost surely, 2^56286151638 is an apocalyptic number.

56286151638 is an abundant number, since it is smaller than the sum of its proper divisors (56322964698).

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

56286151638 is a wasteful number, since it uses less digits than its factorization.

56286151638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067759.

The product of its digits is 2073600, while the sum is 51.

The spelling of 56286151638 in words is "fifty-six billion, two hundred eighty-six million, one hundred fifty-one thousand, six hundred thirty-eight".