53055213240 has 64 divisors (see below), whose sum is σ = 159322204800. Its totient is φ = 14134140032.

The previous prime is 53055213203. The next prime is 53055213257. The reversal of 53055213240 is 4231255035.

53055213240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 53055213198 and 53055213207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94662 + ... + 339221.

It is an arithmetic number, because the mean of its divisors is an integer number (2489409450).

Almost surely, 2^53055213240 is an apocalyptic number.

It is an amenable number.

53055213240 is an abundant number, since it is smaller than the sum of its proper divisors (106266991560).

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

53055213240 is a wasteful number, since it uses less digits than its factorization.

53055213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434916 (or 434912 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 53055213240 its reverse (4231255035), we get a palindrome (57286468275).

The spelling of 53055213240 in words is "fifty-three billion, fifty-five million, two hundred thirteen thousand, two hundred forty".