57378143 has 2 divisors, whose sum is σ = 57378144. Its totient is φ = 57378142.

The previous prime is 57378127. The next prime is 57378161. The reversal of 57378143 is 34187375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57378143 - 2⁴ = 57378127 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 57378097 and 57378106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57378163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28689071 + 28689072.

It is an arithmetic number, because the mean of its divisors is an integer number (28689072).

Almost surely, 2^57378143 is an apocalyptic number.

57378143 is a deficient number, since it is larger than the sum of its proper divisors (1).

57378143 is an equidigital number, since it uses as much as digits as its factorization.

57378143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 57378143 is about 7574.8361698455. The cubic root of 57378143 is about 385.6992812048.

The spelling of 57378143 in words is "fifty-seven million, three hundred seventy-eight thousand, one hundred forty-three".