53261347620 has 48 divisors (see below), whose sum is σ = 160603450560. Its totient is φ = 13110485376.

The previous prime is 53261347603. The next prime is 53261347627. The reversal of 53261347620 is 2674316235.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (53261347627) 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, 34141110 + ... + 34142669.

It is an arithmetic number, because the mean of its divisors is an integer number (3345905220).

Almost surely, 2^53261347620 is an apocalyptic number.

It is an amenable number.

53261347620 is an abundant number, since it is smaller than the sum of its proper divisors (107342102940).

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

53261347620 is a wasteful number, since it uses less digits than its factorization.

53261347620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68283804 (or 68283802 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 53261347620 in words is "fifty-three billion, two hundred sixty-one million, three hundred forty-seven thousand, six hundred twenty".