52551024240 has 320 divisors, whose sum is σ = 202649029632. Its totient is φ = 11067801600.

The previous prime is 52551024233. The next prime is 52551024247. The reversal of 52551024240 is 4242015525.

52551024240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52551024233) and next prime (52551024247).

It is a super-2 number, since 2×52551024240² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 52551024198 and 52551024207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52551024247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 538405 + ... + 628475.

Almost surely, 2^52551024240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52551024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101324514816).

52551024240 is an abundant number, since it is smaller than the sum of its proper divisors (150098005392).

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

52551024240 is a wasteful number, since it uses less digits than its factorization.

52551024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90128 (or 90122 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 52551024240 its reverse (4242015525), we get a palindrome (56793039765).

The spelling of 52551024240 in words is "fifty-two billion, five hundred fifty-one million, twenty-four thousand, two hundred forty".