55286162480 has 20 divisors (see below), whose sum is σ = 128540327952. Its totient is φ = 22114464960.

The previous prime is 55286162461. The next prime is 55286162483. The reversal of 55286162480 is 8426168255.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55286162483) 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, 345538436 + ... + 345538595.

Almost surely, 2^55286162480 is an apocalyptic number.

It is an amenable number.

55286162480 is an abundant number, since it is smaller than the sum of its proper divisors (73254165472).

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

55286162480 is a wasteful number, since it uses less digits than its factorization.

55286162480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691077044 (or 691077038 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 55286162480 in words is "fifty-five billion, two hundred eighty-six million, one hundred sixty-two thousand, four hundred eighty".