53405411364644 has 12 divisors (see below), whose sum is σ = 93459544148124. Its totient is φ = 26702684465184.

The previous prime is 53405411364619. The next prime is 53405411364659. The reversal of 53405411364644 is 44646311450435.

It can be written as a sum of positive squares in 2 ways, for example, as 33964278540544 + 19441132824100 = 5827888^2 + 4409210^2 .

It is a super-3 number, since 3×53405411364644³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53405411364592 and 53405411364601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262462 + ... + 10411754.

It is an arithmetic number, because the mean of its divisors is an integer number (7788295345677).

Almost surely, 2^{53405411364644} is an apocalyptic number.

It is an amenable number.

53405411364644 is a deficient number, since it is larger than the sum of its proper divisors (40054132783480).

53405411364644 is a wasteful number, since it uses less digits than its factorization.

53405411364644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608574 (or 10608572 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 53405411364644 in words is "fifty-three trillion, four hundred five billion, four hundred eleven million, three hundred sixty-four thousand, six hundred forty-four".