53722415140 has 48 divisors (see below), whose sum is σ = 117945233280. Its totient is φ = 20554570080.

The previous prime is 53722415137. The next prime is 53722415143. The reversal of 53722415140 is 4151422735.

It is an interprime number because it is at equal distance from previous prime (53722415137) and next prime (53722415143).

It is a junction number, because it is equal to n+sod(n) for n = 53722415096 and 53722415105.

It is not an unprimeable number, because it can be changed into a prime (53722415143) 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, 132955 + ... + 353725.

It is an arithmetic number, because the mean of its divisors is an integer number (2457192360).

Almost surely, 2^53722415140 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 53722415140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58972616640).

53722415140 is an abundant number, since it is smaller than the sum of its proper divisors (64222818140).

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

53722415140 is a wasteful number, since it uses less digits than its factorization.

53722415140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220849 (or 220801 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 53722415140 its reverse (4151422735), we get a palindrome (57873837875).

The spelling of 53722415140 in words is "fifty-three billion, seven hundred twenty-two million, four hundred fifteen thousand, one hundred forty".