56487001767 has 32 divisors (see below), whose sum is σ = 90689464320. Its totient is φ = 30551165280.

The previous prime is 56487001733. The next prime is 56487001783. The reversal of 56487001767 is 76710078465.

It is not a de Polignac number, because 56487001767 - 2²⁰ = 56485953191 is a prime.

It is a super-2 number, since 2×56487001767² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56487001267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370428 + ... + 500190.

It is an arithmetic number, because the mean of its divisors is an integer number (2834045760).

Almost surely, 2^56487001767 is an apocalyptic number.

56487001767 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56487001767 is a deficient number, since it is larger than the sum of its proper divisors (34202462553).

56487001767 is a wasteful number, since it uses less digits than its factorization.

56487001767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130883.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 56487001767 in words is "fifty-six billion, four hundred eighty-seven million, one thousand, seven hundred sixty-seven".