55479763 has 4 divisors (see below), whose sum is σ = 55496560. Its totient is φ = 55462968.

The previous prime is 55479751. The next prime is 55479769. The reversal of 55479763 is 36797455.

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 55479763 - 2²¹ = 53382611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55479769) 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, 1620 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (13874140).

Almost surely, 2^55479763 is an apocalyptic number.

55479763 is a deficient number, since it is larger than the sum of its proper divisors (16797).

55479763 is a wasteful number, since it uses less digits than its factorization.

55479763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16796.

The product of its digits is 793800, while the sum is 46.

The square root of 55479763 is about 7448.4738705321. The cubic root of 55479763 is about 381.3978135790.

The spelling of 55479763 in words is "fifty-five million, four hundred seventy-nine thousand, seven hundred sixty-three".