57550377 has 4 divisors (see below), whose sum is σ = 76733840. Its totient is φ = 38366916.

The previous prime is 57550369. The next prime is 57550379. The reversal of 57550377 is 77305575.

57550377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 57550377 - 2³ = 57550369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57550379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9591727 + ... + 9591732.

It is an arithmetic number, because the mean of its divisors is an integer number (19183460).

Almost surely, 2^57550377 is an apocalyptic number.

It is an amenable number.

57550377 is a deficient number, since it is larger than the sum of its proper divisors (19183463).

57550377 is a wasteful number, since it uses less digits than its factorization.

57550377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19183462.

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 57550377 is about 7586.1964778142. The cubic root of 57550377 is about 386.0848180904.

The spelling of 57550377 in words is "fifty-seven million, five hundred fifty thousand, three hundred seventy-seven".