55448030 has 16 divisors (see below), whose sum is σ = 108879984. Its totient is φ = 20162880.

The previous prime is 55447981. The next prime is 55448039. The reversal of 55448030 is 3084455.

It is a junction number, because it is equal to n+sod(n) for n = 55447984 and 55448002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55448039) 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, 251927 + ... + 252146.

It is an arithmetic number, because the mean of its divisors is an integer number (6804999).

Almost surely, 2^55448030 is an apocalyptic number.

55448030 is a deficient number, since it is larger than the sum of its proper divisors (53431954).

55448030 is a wasteful number, since it uses less digits than its factorization.

55448030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504091.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55448030 is about 7446.3433979370. The cubic root of 55448030 is about 381.3250831250.

It can be divided in two parts, 554 and 48030, that added together give a palindrome (48584).

The spelling of 55448030 in words is "fifty-five million, four hundred forty-eight thousand, thirty".