56773138774 has 48 divisors (see below), whose sum is σ = 98588980224. Its totient is φ = 24453025520.

The previous prime is 56773138771. The next prime is 56773138777. The reversal of 56773138774 is 47783137765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56773138771) and next prime (56773138777).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56773138771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547899 + ... + 643225.

It is an arithmetic number, because the mean of its divisors is an integer number (2053937088).

Almost surely, 2^56773138774 is an apocalyptic number.

56773138774 is a deficient number, since it is larger than the sum of its proper divisors (41815841450).

56773138774 is a wasteful number, since it uses less digits than its factorization.

56773138774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95481 (or 95470 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 58.

The spelling of 56773138774 in words is "fifty-six billion, seven hundred seventy-three million, one hundred thirty-eight thousand, seven hundred seventy-four".