555005997 has 72 divisors (see below), whose sum is σ = 1013332320. Its totient is φ = 290122560.

The previous prime is 555005981. The next prime is 555006013. The reversal of 555005997 is 799500555.

555005997 is a `hidden beast` number, since 5 + 5 + 50 + 0 + 599 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (555005981) and next prime (555006013).

It is not a de Polignac number, because 555005997 - 2⁴ = 555005981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555005197) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 750654 + ... + 751392.

It is an arithmetic number, because the mean of its divisors is an integer number (14074060).

Almost surely, 2^555005997 is an apocalyptic number.

It is an amenable number.

555005997 is a deficient number, since it is larger than the sum of its proper divisors (458326323).

555005997 is a wasteful number, since it uses less digits than its factorization.

555005997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 354375, while the sum is 45.

The square root of 555005997 is about 23558.5652576722. The cubic root of 555005997 is about 821.7995364254.

The spelling of 555005997 in words is "five hundred fifty-five million, five thousand, nine hundred ninety-seven".