53506666236 has 48 divisors (see below), whose sum is σ = 125442100224. Its totient is φ = 17750966016.

The previous prime is 53506666231. The next prime is 53506666237. The reversal of 53506666236 is 63266660535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506666231) 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, 2921620 + ... + 2939876.

It is an arithmetic number, because the mean of its divisors is an integer number (2613377088).

Almost surely, 2^53506666236 is an apocalyptic number.

It is an amenable number.

53506666236 is an abundant number, since it is smaller than the sum of its proper divisors (71935433988).

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

53506666236 is a wasteful number, since it uses less digits than its factorization.

53506666236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19410 (or 19408 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 48.

The spelling of 53506666236 in words is "fifty-three billion, five hundred six million, six hundred sixty-six thousand, two hundred thirty-six".