55265661023 has 4 divisors (see below), whose sum is σ = 56171655528. Its totient is φ = 54359666520.

The previous prime is 55265661007. The next prime is 55265661043. The reversal of 55265661023 is 32016656255.

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

It is a cyclic number.

It is not a de Polignac number, because 55265661023 - 2⁴ = 55265661007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55265661043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452997161 + ... + 452997282.

It is an arithmetic number, because the mean of its divisors is an integer number (14042913882).

Almost surely, 2^55265661023 is an apocalyptic number.

55265661023 is a deficient number, since it is larger than the sum of its proper divisors (905994505).

55265661023 is an equidigital number, since it uses as much as digits as its factorization.

55265661023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905994504.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 55265661023 in words is "fifty-five billion, two hundred sixty-five million, six hundred sixty-one thousand, twenty-three".