55480308 has 24 divisors (see below), whose sum is σ = 139412448. Its totient is φ = 17070816.

The previous prime is 55480307. The next prime is 55480309. The reversal of 55480308 is 80308455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55480307) and next prime (55480309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480303) 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, 177666 + ... + 177977.

It is an arithmetic number, because the mean of its divisors is an integer number (5808852).

Almost surely, 2^55480308 is an apocalyptic number.

It is an amenable number.

55480308 is an abundant number, since it is smaller than the sum of its proper divisors (83932140).

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

55480308 is a wasteful number, since it uses less digits than its factorization.

55480308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355663 (or 355661 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 55480308 is about 7448.5104551179. The cubic root of 55480308 is about 381.3990624496.

The spelling of 55480308 in words is "fifty-five million, four hundred eighty thousand, three hundred eight".