57945949 has 2 divisors, whose sum is σ = 57945950. Its totient is φ = 57945948.

The previous prime is 57945941. The next prime is 57945961. The reversal of 57945949 is 94954975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 27772900 = 5493^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 57945949 - 2³ = 57945941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57945896 and 57945905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57945941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28972974 + 28972975.

It is an arithmetic number, because the mean of its divisors is an integer number (28972975).

Almost surely, 2^57945949 is an apocalyptic number.

It is an amenable number.

57945949 is a deficient number, since it is larger than the sum of its proper divisors (1).

57945949 is an equidigital number, since it uses as much as digits as its factorization.

57945949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 52.

The square root of 57945949 is about 7612.2236567248. The cubic root of 57945949 is about 386.9673825800.

The spelling of 57945949 in words is "fifty-seven million, nine hundred forty-five thousand, nine hundred forty-nine".