53812117140 has 48 divisors (see below), whose sum is σ = 150873096192. Its totient is φ = 14330929536.

The previous prime is 53812117111. The next prime is 53812117147. The reversal of 53812117140 is 4171121835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53812117147) 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, 546964 + ... + 637803.

It is an arithmetic number, because the mean of its divisors is an integer number (3143189504).

Almost surely, 2^53812117140 is an apocalyptic number.

It is an amenable number.

53812117140 is an abundant number, since it is smaller than the sum of its proper divisors (97060979052).

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

53812117140 is a wasteful number, since it uses less digits than its factorization.

53812117140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185536 (or 1185534 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

Adding to 53812117140 its reverse (4171121835), we get a palindrome (57983238975).

The spelling of 53812117140 in words is "fifty-three billion, eight hundred twelve million, one hundred seventeen thousand, one hundred forty".