53200050055581 has 32 divisors (see below), whose sum is σ = 83337736914432. Its totient is φ = 29761054061760.

The previous prime is 53200050055571. The next prime is 53200050055619. The reversal of 53200050055581 is 18555005000235.

It is a happy number.

It is not a de Polignac number, because 53200050055581 - 2¹⁴ = 53200050039197 is a prime.

It is a super-2 number, since 2×53200050055581² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53200050055511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8076966 + ... + 13101048.

It is an arithmetic number, because the mean of its divisors is an integer number (2604304278576).

Almost surely, 2^{53200050055581} is an apocalyptic number.

It is an amenable number.

53200050055581 is a deficient number, since it is larger than the sum of its proper divisors (30137686858851).

53200050055581 is a wasteful number, since it uses less digits than its factorization.

53200050055581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048793.

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 53200050055581 in words is "fifty-three trillion, two hundred billion, fifty million, fifty-five thousand, five hundred eighty-one".