53018344895 has 64 divisors (see below), whose sum is σ = 70002662400. Its totient is φ = 38410122240.

The previous prime is 53018344891. The next prime is 53018344919. The reversal of 53018344895 is 59844381035.

It is a happy number.

It is not a de Polignac number, because 53018344895 - 2² = 53018344891 is a prime.

It is a super-2 number, since 2×53018344895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53018344891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65535251 + ... + 65536059.

It is an arithmetic number, because the mean of its divisors is an integer number (1093791600).

Almost surely, 2^53018344895 is an apocalyptic number.

53018344895 is a deficient number, since it is larger than the sum of its proper divisors (16984317505).

53018344895 is a wasteful number, since it uses less digits than its factorization.

53018344895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 53018344895 in words is "fifty-three billion, eighteen million, three hundred forty-four thousand, eight hundred ninety-five".