57642150827 has 4 divisors (see below), whose sum is σ = 58868579616. Its totient is φ = 56415722040.

The previous prime is 57642150799. The next prime is 57642150829. The reversal of 57642150827 is 72805124675.

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

It is a cyclic number.

It is not a de Polignac number, because 57642150827 - 2¹⁴ = 57642134443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1226428741 = 57642150827 / (5 + 7 + 6 + 4 + 2 + 1 + 5 + 0 + 8 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57642150829) 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, 613214324 + ... + 613214417.

It is an arithmetic number, because the mean of its divisors is an integer number (14717144904).

Almost surely, 2^57642150827 is an apocalyptic number.

57642150827 is a deficient number, since it is larger than the sum of its proper divisors (1226428789).

57642150827 is a wasteful number, since it uses less digits than its factorization.

57642150827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226428788.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 57642150827 in words is "fifty-seven billion, six hundred forty-two million, one hundred fifty thousand, eight hundred twenty-seven".