253343541500 has 96 divisors (see below), whose sum is σ = 632833603584. Its totient is φ = 86793595200.

The previous prime is 253343541497. The next prime is 253343541509. The reversal of 253343541500 is 5145343352.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253343541509) 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, 4617227 + ... + 4671773.

It is an arithmetic number, because the mean of its divisors is an integer number (6592016704).

Almost surely, 2^253343541500 is an apocalyptic number.

253343541500 is a gapful number since it is divisible by the number (20) 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 253343541500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316416801792).

253343541500 is an abundant number, since it is smaller than the sum of its proper divisors (379490062084).

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

253343541500 is a wasteful number, since it uses less digits than its factorization.

253343541500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55900 (or 55888 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 253343541500 its reverse (5145343352), we get a palindrome (258488884852).

The spelling of 253343541500 in words is "two hundred fifty-three billion, three hundred forty-three million, five hundred forty-one thousand, five hundred".