55767667783 has 16 divisors (see below), whose sum is σ = 57849694560. Its totient is φ = 53696473600.

The previous prime is 55767667763. The next prime is 55767667789. The reversal of 55767667783 is 38776676755.

It is a cyclic number.

It is not a de Polignac number, because 55767667783 - 2⁹ = 55767667271 is a prime.

It is a super-2 number, since 2×55767667783² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55767667789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30792948 + ... + 30794758.

It is an arithmetic number, because the mean of its divisors is an integer number (3615605910).

Almost surely, 2^55767667783 is an apocalyptic number.

55767667783 is a deficient number, since it is larger than the sum of its proper divisors (2082026777).

55767667783 is a wasteful number, since it uses less digits than its factorization.

55767667783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178.

The product of its digits is 311169600, while the sum is 67.

The spelling of 55767667783 in words is "fifty-five billion, seven hundred sixty-seven million, six hundred sixty-seven thousand, seven hundred eighty-three".