57051789 has 4 divisors (see below), whose sum is σ = 76069056. Its totient is φ = 38034524.

The previous prime is 57051739. The next prime is 57051821. The reversal of 57051789 is 98715075.

57051789 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 a de Polignac number, because none of the positive numbers 2^k-57051789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57051789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57051739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9508629 + ... + 9508634.

It is an arithmetic number, because the mean of its divisors is an integer number (19017264).

Almost surely, 2^57051789 is an apocalyptic number.

It is an amenable number.

57051789 is a deficient number, since it is larger than the sum of its proper divisors (19017267).

57051789 is a wasteful number, since it uses less digits than its factorization.

57051789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017266.

The product of its (nonzero) digits is 88200, while the sum is 42.

The square root of 57051789 is about 7553.2634668731. The cubic root of 57051789 is about 384.9666334157.

The spelling of 57051789 in words is "fifty-seven million, fifty-one thousand, seven hundred eighty-nine".