53906142840 has 64 divisors (see below), whose sum is σ = 176420108160. Its totient is φ = 13068155520.

The previous prime is 53906142793. The next prime is 53906142853. The reversal of 53906142840 is 4824160935.

53906142840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53906142792 and 53906142801.

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, 20417674 + ... + 20420313.

It is an arithmetic number, because the mean of its divisors is an integer number (2756564190).

Almost surely, 2^53906142840 is an apocalyptic number.

It is an amenable number.

53906142840 is an abundant number, since it is smaller than the sum of its proper divisors (122513965320).

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

53906142840 is a wasteful number, since it uses less digits than its factorization.

53906142840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40838012 (or 40838008 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 53906142840 in words is "fifty-three billion, nine hundred six million, one hundred forty-two thousand, eight hundred forty".