55236714661 has 2 divisors, whose sum is σ = 55236714662. Its totient is φ = 55236714660.

The previous prime is 55236714529. The next prime is 55236714667. The reversal of 55236714661 is 16641763255.

55236714661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49022388100 + 6214326561 = 221410^2 + 78831^2 .

It is a cyclic number.

It is not a de Polignac number, because 55236714661 - 2¹⁵ = 55236681893 is a prime.

It is a super-3 number, since 3×55236714661³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55236714667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27618357330 + 27618357331.

It is an arithmetic number, because the mean of its divisors is an integer number (27618357331).

Almost surely, 2^55236714661 is an apocalyptic number.

It is an amenable number.

55236714661 is a deficient number, since it is larger than the sum of its proper divisors (1).

55236714661 is an equidigital number, since it uses as much as digits as its factorization.

55236714661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The spelling of 55236714661 in words is "fifty-five billion, two hundred thirty-six million, seven hundred fourteen thousand, six hundred sixty-one".