56489438104787 has 16 divisors (see below), whose sum is σ = 59974589916000. Its totient is φ = 53022334095360.

The previous prime is 56489438104769. The next prime is 56489438104793. The reversal of 56489438104787 is 78740183498465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56489438104787 - 2³⁶ = 56420718628051 is a prime.

It is a super-2 number, since 2×56489438104787² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56489438104727) 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, 88860839 + ... + 89494287.

It is an arithmetic number, because the mean of its divisors is an integer number (3748411869750).

Almost surely, 2^{56489438104787} is an apocalyptic number.

56489438104787 is a deficient number, since it is larger than the sum of its proper divisors (3485151811213).

56489438104787 is a wasteful number, since it uses less digits than its factorization.

56489438104787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647686.

The product of its (nonzero) digits is 1300561920, while the sum is 74.

The spelling of 56489438104787 in words is "fifty-six trillion, four hundred eighty-nine billion, four hundred thirty-eight million, one hundred four thousand, seven hundred eighty-seven".