57433861 has 2 divisors, whose sum is σ = 57433862. Its totient is φ = 57433860.

The previous prime is 57433823. The next prime is 57433889. The reversal of 57433861 is 16833475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35164900 + 22268961 = 5930^2 + 4719^2 .

It is a cyclic number.

It is not a de Polignac number, because 57433861 - 2⁹ = 57433349 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57433861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57430861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716930 + 28716931.

It is an arithmetic number, because the mean of its divisors is an integer number (28716931).

Almost surely, 2^57433861 is an apocalyptic number.

It is an amenable number.

57433861 is a deficient number, since it is larger than the sum of its proper divisors (1).

57433861 is an equidigital number, since it uses as much as digits as its factorization.

57433861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 57433861 is about 7578.5131127418. The cubic root of 57433861 is about 385.8240873823.

It can be divided in two parts, 5743 and 3861, that added together give a square (9604 = 98²).

The spelling of 57433861 in words is "fifty-seven million, four hundred thirty-three thousand, eight hundred sixty-one".