55823480 has 32 divisors (see below), whose sum is σ = 126252000. Its totient is φ = 22214016.

The previous prime is 55823441. The next prime is 55823483. The reversal of 55823480 is 8432855.

It is a self number, because there is not a number n which added to its sum of digits gives 55823480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55823483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4454 + ... + 11466.

It is an arithmetic number, because the mean of its divisors is an integer number (3945375).

Almost surely, 2^55823480 is an apocalyptic number.

It is an amenable number.

55823480 is an abundant number, since it is smaller than the sum of its proper divisors (70428520).

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

55823480 is a wasteful number, since it uses less digits than its factorization.

55823480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223 (or 7219 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 55823480 is about 7471.5112259837. The cubic root of 55823480 is about 382.1838246136.

The spelling of 55823480 in words is "fifty-five million, eight hundred twenty-three thousand, four hundred eighty".