53581232670 has 32 divisors (see below), whose sum is σ = 146965667328. Its totient is φ = 12247138848.

The previous prime is 53581232647. The next prime is 53581232671. The reversal of 53581232670 is 7623218535.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53581232671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127574154 + ... + 127574573.

It is an arithmetic number, because the mean of its divisors is an integer number (4592677104).

Almost surely, 2^53581232670 is an apocalyptic number.

53581232670 is an abundant number, since it is smaller than the sum of its proper divisors (93384434658).

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

53581232670 is a wasteful number, since it uses less digits than its factorization.

53581232670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255148744.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 53581232670 in words is "fifty-three billion, five hundred eighty-one million, two hundred thirty-two thousand, six hundred seventy".