57356147806 has 4 divisors (see below), whose sum is σ = 86034221712. Its totient is φ = 28678073902.

The previous prime is 57356147803. The next prime is 57356147843. The reversal of 57356147806 is 60874165375.

It is a happy number.

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

It is a super-2 number, since 2×57356147806² (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 (57356147803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14339036950 + ... + 14339036953.

It is an arithmetic number, because the mean of its divisors is an integer number (21508555428).

Almost surely, 2^57356147806 is an apocalyptic number.

57356147806 is a deficient number, since it is larger than the sum of its proper divisors (28678073906).

57356147806 is a wasteful number, since it uses less digits than its factorization.

57356147806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28678073905.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 57356147806 in words is "fifty-seven billion, three hundred fifty-six million, one hundred forty-seven thousand, eight hundred six".