54236621500 has 96 divisors (see below), whose sum is σ = 125550734400. Its totient is φ = 20397312000.

The previous prime is 54236621477. The next prime is 54236621503. The reversal of 54236621500 is 512663245.

It is a super-2 number, since 2×54236621500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54236621503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9950776 + ... + 9956224.

It is an arithmetic number, because the mean of its divisors is an integer number (1307820150).

Almost surely, 2^54236621500 is an apocalyptic number.

54236621500 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 54236621500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62775367200).

54236621500 is an abundant number, since it is smaller than the sum of its proper divisors (71314112900).

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

54236621500 is a wasteful number, since it uses less digits than its factorization.

54236621500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656 (or 6644 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 54236621500 in words is "fifty-four billion, two hundred thirty-six million, six hundred twenty-one thousand, five hundred".