57030377 has 4 divisors (see below), whose sum is σ = 57050880. Its totient is φ = 57009876.

The previous prime is 57030371. The next prime is 57030397. The reversal of 57030377 is 77303075.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57030377 - 2⁶ = 57030313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57030371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (14262720).

Almost surely, 2^57030377 is an apocalyptic number.

It is an amenable number.

57030377 is a deficient number, since it is larger than the sum of its proper divisors (20503).

57030377 is a wasteful number, since it uses less digits than its factorization.

57030377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20502.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 57030377 is about 7551.8459332802. The cubic root of 57030377 is about 384.9184670209.

The spelling of 57030377 in words is "fifty-seven million, thirty thousand, three hundred seventy-seven".