52451072973 has 24 divisors (see below), whose sum is σ = 81614056160. Its totient is φ = 32268287520.

The previous prime is 52451072963. The next prime is 52451073001. The reversal of 52451072973 is 37927015425.

It is a happy number.

52451072973 is a `hidden beast` number, since 524 + 51 + 0 + 7 + 2 + 9 + 73 = 666.

It is not a de Polignac number, because 52451072973 - 2⁵ = 52451072941 is a prime.

It is a super-2 number, since 2×52451072973² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451072903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355038 + ... + 480576.

Almost surely, 2^52451072973 is an apocalyptic number.

It is an amenable number.

52451072973 is a deficient number, since it is larger than the sum of its proper divisors (29162983187).

52451072973 is a wasteful number, since it uses less digits than its factorization.

52451072973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129129 (or 129126 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 52451072973 in words is "fifty-two billion, four hundred fifty-one million, seventy-two thousand, nine hundred seventy-three".