55744500 has 96 divisors (see below), whose sum is σ = 185552640. Its totient is φ = 12739200.

The previous prime is 55744489. The next prime is 55744511. The reversal of 55744500 is 544755.

It is an interprime number because it is at equal distance from previous prime (55744489) and next prime (55744511).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7846 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (1932840).

Almost surely, 2^55744500 is an apocalyptic number.

55744500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55744500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92776320).

55744500 is an abundant number, since it is smaller than the sum of its proper divisors (129808140).

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

55744500 is a wasteful number, since it uses less digits than its factorization.

55744500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5326 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55744500 is about 7466.2239452082. The cubic root of 55744500 is about 382.0034995065.

The spelling of 55744500 in words is "fifty-five million, seven hundred forty-four thousand, five hundred".