5605599951 has 64 divisors (see below), whose sum is σ = 10106112000. Its totient is φ = 3063813984.

The previous prime is 5605599947. The next prime is 5605599973. The reversal of 5605599951 is 1599955065.

It is not a de Polignac number, because 5605599951 - 2² = 5605599947 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605599151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199845 + ... + 226161.

It is an arithmetic number, because the mean of its divisors is an integer number (157908000).

Almost surely, 2^5605599951 is an apocalyptic number.

5605599951 is a deficient number, since it is larger than the sum of its proper divisors (4500512049).

5605599951 is a wasteful number, since it uses less digits than its factorization.

5605599951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370 (or 26350 counting only the distinct ones).

The product of its (nonzero) digits is 2733750, while the sum is 54.

The square root of 5605599951 is about 74870.5546326458. The cubic root of 5605599951 is about 1776.3997371079.

The spelling of 5605599951 in words is "five billion, six hundred five million, five hundred ninety-nine thousand, nine hundred fifty-one".