57466261 has 2 divisors, whose sum is σ = 57466262. Its totient is φ = 57466260.

The previous prime is 57466249. The next prime is 57466271. The reversal of 57466261 is 16266475.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 463761 = 7550^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 57466261 - 2⁵ = 57466229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57466261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57466271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28733130 + 28733131.

It is an arithmetic number, because the mean of its divisors is an integer number (28733131).

Almost surely, 2^57466261 is an apocalyptic number.

It is an amenable number.

57466261 is a deficient number, since it is larger than the sum of its proper divisors (1).

57466261 is an equidigital number, since it uses as much as digits as its factorization.

57466261 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 57466261 is about 7580.6504338348. The cubic root of 57466261 is about 385.8966250241.

The spelling of 57466261 in words is "fifty-seven million, four hundred sixty-six thousand, two hundred sixty-one".