53166673544 has 24 divisors (see below), whose sum is σ = 105210372510. Its totient is φ = 25184212416.

The previous prime is 53166673543. The next prime is 53166673561. The reversal of 53166673544 is 44537666135.

It can be written as a sum of positive squares in only one way, i.e., 49400396644 + 3766276900 = 222262^2 + 61370^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53166673492 and 53166673501.

It is not an unprimeable number, because it can be changed into a prime (53166673541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9201869 + ... + 9207644.

Almost surely, 2^53166673544 is an apocalyptic number.

It is an amenable number.

53166673544 is a deficient number, since it is larger than the sum of its proper divisors (52043698966).

53166673544 is a wasteful number, since it uses less digits than its factorization.

53166673544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18409557 (or 18409534 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 50.

The spelling of 53166673544 in words is "fifty-three billion, one hundred sixty-six million, six hundred seventy-three thousand, five hundred forty-four".