55246669056 has 144 divisors (see below), whose sum is σ = 171973166400. Its totient is φ = 17446275072.

The previous prime is 55246669019. The next prime is 55246669063. The reversal of 55246669056 is 65096664255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×55246669056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 55246668993 and 55246669011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79011 + ... + 341666.

It is an arithmetic number, because the mean of its divisors is an integer number (1194258100).

Almost surely, 2^55246669056 is an apocalyptic number.

It is an amenable number.

55246669056 is an abundant number, since it is smaller than the sum of its proper divisors (116726497344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55246669056 is a wasteful number, since it uses less digits than its factorization.

55246669056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420721 (or 420701 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 55246669056 in words is "fifty-five billion, two hundred forty-six million, six hundred sixty-nine thousand, fifty-six".