55265742765 has 48 divisors (see below), whose sum is σ = 101459515248. Its totient is φ = 27732860928.

The previous prime is 55265742761. The next prime is 55265742793. The reversal of 55265742765 is 56724756255.

55265742765 is a `hidden beast` number, since 5 + 5 + 2 + 6 + 574 + 2 + 7 + 65 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 215913636 + 55049829129 = 14694^2 + 234627^2 .

It is not a de Polignac number, because 55265742765 - 2² = 55265742761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55265742761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3106977 + ... + 3124713.

It is an arithmetic number, because the mean of its divisors is an integer number (2113739901).

Almost surely, 2^55265742765 is an apocalyptic number.

It is an amenable number.

55265742765 is a deficient number, since it is larger than the sum of its proper divisors (46193772483).

55265742765 is a wasteful number, since it uses less digits than its factorization.

55265742765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838 (or 21835 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The spelling of 55265742765 in words is "fifty-five billion, two hundred sixty-five million, seven hundred forty-two thousand, seven hundred sixty-five".