54311500 has 48 divisors (see below), whose sum is σ = 124881120. Its totient is φ = 20577600.

The previous prime is 54311497. The next prime is 54311503. The reversal of 54311500 is 511345.

It is an interprime number because it is at equal distance from previous prime (54311497) and next prime (54311503).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (54311503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6642 + ... + 12358.

It is an arithmetic number, because the mean of its divisors is an integer number (2601690).

Almost surely, 2^54311500 is an apocalyptic number.

54311500 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 54311500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62440560).

54311500 is an abundant number, since it is smaller than the sum of its proper divisors (70569620).

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

54311500 is a wasteful number, since it uses less digits than its factorization.

54311500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5743 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 54311500 is about 7369.6336408264. The cubic root of 54311500 is about 378.7017097245.

Adding to 54311500 its reverse (511345), we get a palindrome (54822845).

The spelling of 54311500 in words is "fifty-four million, three hundred eleven thousand, five hundred".