555274992 has 20 divisors (see below), whose sum is σ = 1434460520. Its totient is φ = 185091648.

The previous prime is 555274991. The next prime is 555275023. The reversal of 555274992 is 299472555.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 11568229 = 555274992 / (5 + 5 + 5 + 2 + 7 + 4 + 9 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555274991) 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, 5784067 + ... + 5784162.

It is an arithmetic number, because the mean of its divisors is an integer number (71723026).

Almost surely, 2^555274992 is an apocalyptic number.

It is an amenable number.

555274992 is an abundant number, since it is smaller than the sum of its proper divisors (879185528).

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

555274992 is a wasteful number, since it uses less digits than its factorization.

555274992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11568240 (or 11568234 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 555274992 is about 23564.2736361637. The cubic root of 555274992 is about 821.9322822957.

The spelling of 555274992 in words is "five hundred fifty-five million, two hundred seventy-four thousand, nine hundred ninety-two".