53215100040 has 64 divisors (see below), whose sum is σ = 159689678400. Its totient is φ = 14186748672.

The previous prime is 53215099997. The next prime is 53215100053. The reversal of 53215100040 is 4000151235.

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, 385299 + ... + 504861.

It is an arithmetic number, because the mean of its divisors is an integer number (2495151225).

Almost surely, 2^53215100040 is an apocalyptic number.

It is an amenable number.

53215100040 is an abundant number, since it is smaller than the sum of its proper divisors (106474578360).

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

53215100040 is a wasteful number, since it uses less digits than its factorization.

53215100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123286 (or 123282 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 53215100040 its reverse (4000151235), we get a palindrome (57215251275).

The spelling of 53215100040 in words is "fifty-three billion, two hundred fifteen million, one hundred thousand, forty".