5561662402 has 8 divisors (see below), whose sum is σ = 8345684412. Its totient is φ = 2779767600.

The previous prime is 5561662391. The next prime is 5561662411. The reversal of 5561662402 is 2042661655.

It can be written as a sum of positive squares in 2 ways, for example, as 3991838761 + 1569823641 = 63181^2 + 39621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525249 + ... + 535732.

Almost surely, 2^5561662402 is an apocalyptic number.

5561662402 is a deficient number, since it is larger than the sum of its proper divisors (2784022010).

5561662402 is a wasteful number, since it uses less digits than its factorization.

5561662402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063604.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 5561662402 is about 74576.5539697297. The cubic root of 5561662402 is about 1771.7463269379.

The spelling of 5561662402 in words is "five billion, five hundred sixty-one million, six hundred sixty-two thousand, four hundred two".