57426133 has 2 divisors, whose sum is σ = 57426134. Its totient is φ = 57426132.

The previous prime is 57426079. The next prime is 57426137. The reversal of 57426133 is 33162475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 49 = 7578^2 + 7^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57426133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57426095 and 57426104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57426137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713066 + 28713067.

It is an arithmetic number, because the mean of its divisors is an integer number (28713067).

Almost surely, 2^57426133 is an apocalyptic number.

It is an amenable number.

57426133 is a deficient number, since it is larger than the sum of its proper divisors (1).

57426133 is an equidigital number, since it uses as much as digits as its factorization.

57426133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 57426133 is about 7578.0032330423. The cubic root of 57426133 is about 385.8067817822.

The spelling of 57426133 in words is "fifty-seven million, four hundred twenty-six thousand, one hundred thirty-three".