53501500040 has 32 divisors (see below), whose sum is σ = 124261551360. Its totient is φ = 20710257600.

The previous prime is 53501500021. The next prime is 53501500043. The reversal of 53501500040 is 4000510535.

It is a junction number, because it is equal to n+sod(n) for n = 53501499979 and 53501500015.

It is not an unprimeable number, because it can be changed into a prime (53501500043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21571946 + ... + 21574425.

It is an arithmetic number, because the mean of its divisors is an integer number (3883173480).

Almost surely, 2^53501500040 is an apocalyptic number.

It is an amenable number.

53501500040 is an abundant number, since it is smaller than the sum of its proper divisors (70760051320).

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

53501500040 is a wasteful number, since it uses less digits than its factorization.

53501500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43146413 (or 43146409 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 53501500040 in words is "fifty-three billion, five hundred one million, five hundred thousand, forty".