55444508 has 48 divisors (see below), whose sum is σ = 118137600. Its totient is φ = 22239360.

The previous prime is 55444481. The next prime is 55444541. The reversal of 55444508 is 80544455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46763 + ... + 47933.

It is an arithmetic number, because the mean of its divisors is an integer number (2461200).

Almost surely, 2^55444508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55444508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59068800).

55444508 is an abundant number, since it is smaller than the sum of its proper divisors (62693092).

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

55444508 is a wasteful number, since it uses less digits than its factorization.

55444508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 55444508 is about 7446.1069022678. The cubic root of 55444508 is about 381.3170091659.

It can be divided in two parts, 5544450 and 8, that multiplied together give a square (44355600 = 6660²).

The spelling of 55444508 in words is "fifty-five million, four hundred forty-four thousand, five hundred eight".