55769540263 has 4 divisors (see below), whose sum is σ = 55788065208. Its totient is φ = 55751015320.

The previous prime is 55769540257. The next prime is 55769540273. The reversal of 55769540263 is 36204596755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55769540263 is a prime.

It is a super-2 number, since 2×55769540263² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55769540263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55769540243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9257956 + ... + 9263977.

It is an arithmetic number, because the mean of its divisors is an integer number (13947016302).

Almost surely, 2^55769540263 is an apocalyptic number.

55769540263 is a deficient number, since it is larger than the sum of its proper divisors (18524945).

55769540263 is a wasteful number, since it uses less digits than its factorization.

55769540263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18524944.

The product of its (nonzero) digits is 6804000, while the sum is 52.

The spelling of 55769540263 in words is "fifty-five billion, seven hundred sixty-nine million, five hundred forty thousand, two hundred sixty-three".