5561605974 has 32 divisors (see below), whose sum is σ = 11370917376. Its totient is φ = 1812661280.

The previous prime is 5561605969. The next prime is 5561605999. The reversal of 5561605974 is 4795061655.

It is a super-2 number, since 2×5561605974² = 61862922020064977352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298624 + ... + 316700.

It is an arithmetic number, because the mean of its divisors is an integer number (355341168).

Almost surely, 2^5561605974 is an apocalyptic number.

5561605974 is an abundant number, since it is smaller than the sum of its proper divisors (5809311402).

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

5561605974 is a wasteful number, since it uses less digits than its factorization.

5561605974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19220.

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

The square root of 5561605974 is about 74576.1756461137. The cubic root of 5561605974 is about 1771.7403349381.

The spelling of 5561605974 in words is "five billion, five hundred sixty-one million, six hundred five thousand, nine hundred seventy-four".