55297690011 has 10 divisors (see below), whose sum is σ = 82605191372. Its totient is φ = 36865126620.

The previous prime is 55297689991. The next prime is 55297690033. The reversal of 55297690011 is 11009679255.

55297690011 is a `hidden beast` number, since 552 + 9 + 7 + 6 + 90 + 0 + 1 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-55297690011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55297690051) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 341343685 + ... + 341343846.

Almost surely, 2^55297690011 is an apocalyptic number.

55297690011 is a deficient number, since it is larger than the sum of its proper divisors (27307501361).

55297690011 is an equidigital number, since it uses as much as digits as its factorization.

55297690011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682687543 (or 682687534 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The spelling of 55297690011 in words is "fifty-five billion, two hundred ninety-seven million, six hundred ninety thousand, eleven".