52251533622644 has 24 divisors (see below), whose sum is σ = 92942935078728. Its totient is φ = 25696443709440.

The previous prime is 52251533622523. The next prime is 52251533622707. The reversal of 52251533622644 is 44622633515225.

It can be written as a sum of positive squares in 4 ways, for example, as 1166378400100 + 51085155222544 = 1079990^2 + 7147388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52251533622592 and 52251533622601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807532 + ... + 10381244.

It is an arithmetic number, because the mean of its divisors is an integer number (3872622294947).

Almost surely, 2^{52251533622644} is an apocalyptic number.

It is an amenable number.

52251533622644 is a deficient number, since it is larger than the sum of its proper divisors (40691401456084).

52251533622644 is a wasteful number, since it uses less digits than its factorization.

52251533622644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598755 (or 8598753 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 50.

The spelling of 52251533622644 in words is "fifty-two trillion, two hundred fifty-one billion, five hundred thirty-three million, six hundred twenty-two thousand, six hundred forty-four".