55761561794 has 4 divisors (see below), whose sum is σ = 83642342694. Its totient is φ = 27880780896.

The previous prime is 55761561733. The next prime is 55761561811. The reversal of 55761561794 is 49716516755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37196136769 + 18565425025 = 192863^2 + 136255^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13940390447 + ... + 13940390450.

Almost surely, 2^55761561794 is an apocalyptic number.

55761561794 is a deficient number, since it is larger than the sum of its proper divisors (27880780900).

55761561794 is a wasteful number, since it uses less digits than its factorization.

55761561794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27880780899.

The product of its digits is 7938000, while the sum is 56.

The spelling of 55761561794 in words is "fifty-five billion, seven hundred sixty-one million, five hundred sixty-one thousand, seven hundred ninety-four".