55881468037 has 4 divisors (see below), whose sum is σ = 55881950656. Its totient is φ = 55880985420.

The previous prime is 55881468001. The next prime is 55881468053. The reversal of 55881468037 is 73086418855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55881468037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55881468637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47962 + ... + 337732.

It is an arithmetic number, because the mean of its divisors is an integer number (13970487664).

Almost surely, 2^55881468037 is an apocalyptic number.

It is an amenable number.

55881468037 is a deficient number, since it is larger than the sum of its proper divisors (482619).

55881468037 is a wasteful number, since it uses less digits than its factorization.

55881468037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482618.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 55881468037 in words is "fifty-five billion, eight hundred eighty-one million, four hundred sixty-eight thousand, thirty-seven".