52924140457 has 4 divisors (see below), whose sum is σ = 53409683140. Its totient is φ = 52438597776.

The previous prime is 52924140449. The next prime is 52924140553. The reversal of 52924140457 is 75404142925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41210624016 + 11713516441 = 203004^2 + 108229^2 .

It is a cyclic number.

It is not a de Polignac number, because 52924140457 - 2³ = 52924140449 is a prime.

It is a super-2 number, since 2×52924140457² (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 (52924140557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242771178 + ... + 242771395.

It is an arithmetic number, because the mean of its divisors is an integer number (13352420785).

Almost surely, 2^52924140457 is an apocalyptic number.

It is an amenable number.

52924140457 is a deficient number, since it is larger than the sum of its proper divisors (485542683).

52924140457 is a wasteful number, since it uses less digits than its factorization.

52924140457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485542682.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 52924140457 in words is "fifty-two billion, nine hundred twenty-four million, one hundred forty thousand, four hundred fifty-seven".