55731159392 has 12 divisors (see below), whose sum is σ = 109720720116. Its totient is φ = 27865579680.

The previous prime is 55731159391. The next prime is 55731159409. The reversal of 55731159392 is 29395113755.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55731159392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55731159391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 870799334 + ... + 870799397.

It is an arithmetic number, because the mean of its divisors is an integer number (9143393343).

Almost surely, 2^55731159392 is an apocalyptic number.

It is an amenable number.

55731159392 is a deficient number, since it is larger than the sum of its proper divisors (53989560724).

55731159392 is a wasteful number, since it uses less digits than its factorization.

55731159392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741598741 (or 1741598733 counting only the distinct ones).

The product of its digits is 1275750, while the sum is 50.

The spelling of 55731159392 in words is "fifty-five billion, seven hundred thirty-one million, one hundred fifty-nine thousand, three hundred ninety-two".