56487533578465 has 8 divisors (see below), whose sum is σ = 73947316684608. Its totient is φ = 41081842602480.

The previous prime is 56487533578453. The next prime is 56487533578481.

56487533578465 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 56487533578465 - 2¹⁵ = 56487533545697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56487533578391 and 56487533578400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513523032477 + ... + 513523032586.

It is an arithmetic number, because the mean of its divisors is an integer number (9243414585576).

Almost surely, 2^{56487533578465} is an apocalyptic number.

56487533578465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56487533578465 is a deficient number, since it is larger than the sum of its proper divisors (17459783106143).

56487533578465 is a wasteful number, since it uses less digits than its factorization.

56487533578465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027046065079.

The product of its digits is 10160640000, while the sum is 76.

The spelling of 56487533578465 in words is "fifty-six trillion, four hundred eighty-seven billion, five hundred thirty-three million, five hundred seventy-eight thousand, four hundred sixty-five".