55480623 has 32 divisors (see below), whose sum is σ = 85542912. Its totient is φ = 31653600.

The previous prime is 55480609. The next prime is 55480637. The reversal of 55480623 is 32608455.

It is an interprime number because it is at equal distance from previous prime (55480609) and next prime (55480637).

It is not a de Polignac number, because 55480623 - 2¹² = 55476527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50308 + ... + 51398.

It is an arithmetic number, because the mean of its divisors is an integer number (2673216).

Almost surely, 2^55480623 is an apocalyptic number.

55480623 is a deficient number, since it is larger than the sum of its proper divisors (30062289).

55480623 is a wasteful number, since it uses less digits than its factorization.

55480623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 55480623 is about 7448.5316002552. The cubic root of 55480623 is about 381.3997842701.

The spelling of 55480623 in words is "fifty-five million, four hundred eighty thousand, six hundred twenty-three".