5551405992 has 48 divisors (see below), whose sum is σ = 16401883680. Its totient is φ = 1682244000.

The previous prime is 5551405973. The next prime is 5551405999. The reversal of 5551405992 is 2995041555.

5551405992 is a `hidden beast` number, since 5 + 5 + 51 + 4 + 0 + 599 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (5551405999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3503884 + ... + 3505467.

It is an arithmetic number, because the mean of its divisors is an integer number (341705910).

Almost surely, 2^5551405992 is an apocalyptic number.

It is an amenable number.

5551405992 is an abundant number, since it is smaller than the sum of its proper divisors (10850477688).

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

5551405992 is a wasteful number, since it uses less digits than its factorization.

5551405992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009374 (or 7009367 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The square root of 5551405992 is about 74507.7579316409. The cubic root of 5551405992 is about 1770.6565485450.

The spelling of 5551405992 in words is "five billion, five hundred fifty-one million, four hundred five thousand, nine hundred ninety-two".