57978353 has 2 divisors, whose sum is σ = 57978354. Its totient is φ = 57978352.

The previous prime is 57978341. The next prime is 57978409. The reversal of 57978353 is 35387975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57638464 + 339889 = 7592^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 57978353 - 2⁶ = 57978289 is a prime.

It is a super-2 number, since 2×57978353² = 6722978833185218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57978298 and 57978307.

It is not a weakly prime, because it can be changed into another prime (57974353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28989176 + 28989177.

It is an arithmetic number, because the mean of its divisors is an integer number (28989177).

Almost surely, 2^57978353 is an apocalyptic number.

It is an amenable number.

57978353 is a deficient number, since it is larger than the sum of its proper divisors (1).

57978353 is an equidigital number, since it uses as much as digits as its factorization.

57978353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The square root of 57978353 is about 7614.3517780570. The cubic root of 57978353 is about 387.0395012505.

The spelling of 57978353 in words is "fifty-seven million, nine hundred seventy-eight thousand, three hundred fifty-three".