52578912457 has 4 divisors (see below), whose sum is σ = 52580762496. Its totient is φ = 52577062420.

The previous prime is 52578912389. The next prime is 52578912461. The reversal of 52578912457 is 75421987525.

52578912457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52578912457 - 2¹⁹ = 52578388169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52578912398 and 52578912407.

It is not an unprimeable number, because it can be changed into a prime (52578912467) 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, 881713 + ... + 939454.

It is an arithmetic number, because the mean of its divisors is an integer number (13145190624).

Almost surely, 2^52578912457 is an apocalyptic number.

It is an amenable number.

52578912457 is a deficient number, since it is larger than the sum of its proper divisors (1850039).

52578912457 is a wasteful number, since it uses less digits than its factorization.

52578912457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850038.

The product of its digits is 7056000, while the sum is 55.

The spelling of 52578912457 in words is "fifty-two billion, five hundred seventy-eight million, nine hundred twelve thousand, four hundred fifty-seven".