53450772209944 has 64 divisors (see below), whose sum is σ = 102812291712000. Its totient is φ = 26039289348864.

The previous prime is 53450772209927. The next prime is 53450772209953. The reversal of 53450772209944 is 44990227705435.

It is a super-2 number, since 2×53450772209944² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442686332 + ... + 1442723380.

It is an arithmetic number, because the mean of its divisors is an integer number (1606442058000).

Almost surely, 2^{53450772209944} is an apocalyptic number.

It is an amenable number.

53450772209944 is a deficient number, since it is larger than the sum of its proper divisors (49361519502056).

53450772209944 is a wasteful number, since it uses less digits than its factorization.

53450772209944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54232 (or 54228 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 53450772209944 in words is "fifty-three trillion, four hundred fifty billion, seven hundred seventy-two million, two hundred nine thousand, nine hundred forty-four".