52450651531 has 32 divisors (see below), whose sum is σ = 58012139520. Its totient is φ = 47205849600.

The previous prime is 52450651511. The next prime is 52450651537. The reversal of 52450651531 is 13515605425.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52450651531 - 2¹⁷ = 52450520459 is a prime.

It is a super-2 number, since 2×52450651531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52450651537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15801490 + ... + 15804808.

It is an arithmetic number, because the mean of its divisors is an integer number (1812879360).

Almost surely, 2^52450651531 is an apocalyptic number.

52450651531 is a deficient number, since it is larger than the sum of its proper divisors (5561487989).

52450651531 is a wasteful number, since it uses less digits than its factorization.

52450651531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 52450651531 in words is "fifty-two billion, four hundred fifty million, six hundred fifty-one thousand, five hundred thirty-one".