54553500 has 144 divisors (see below), whose sum is σ = 178869600. Its totient is φ = 14515200.

The previous prime is 54553487. The next prime is 54553501. The reversal of 54553500 is 535545.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54553501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121276 + ... + 121724.

It is an arithmetic number, because the mean of its divisors is an integer number (1242150).

Almost surely, 2^54553500 is an apocalyptic number.

54553500 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 54553500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89434800).

54553500 is an abundant number, since it is smaller than the sum of its proper divisors (124316100).

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

54553500 is a wasteful number, since it uses less digits than its factorization.

54553500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 54553500 is about 7386.0341185240. The cubic root of 54553500 is about 379.2633466516.

It can be divided in two parts, 545 and 53500, that added together give a palindrome (54045).

The spelling of 54553500 in words is "fifty-four million, five hundred fifty-three thousand, five hundred".