55992692440 has 32 divisors (see below), whose sum is σ = 126234067680. Its totient is φ = 22352541952.

The previous prime is 55992692429. The next prime is 55992692449. The reversal of 55992692440 is 4429629955.

55992692440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55992692449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371349 + ... + 1411588.

It is an arithmetic number, because the mean of its divisors is an integer number (3944814615).

Almost surely, 2^55992692440 is an apocalyptic number.

It is an amenable number.

55992692440 is an abundant number, since it is smaller than the sum of its proper divisors (70241375240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55992692440 is a wasteful number, since it uses less digits than its factorization.

55992692440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783451 (or 2783447 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 55992692440 in words is "fifty-five billion, nine hundred ninety-two million, six hundred ninety-two thousand, four hundred forty".