57067918 has 4 divisors (see below), whose sum is σ = 85601880. Its totient is φ = 28533958.

The previous prime is 57067891. The next prime is 57067919. The reversal of 57067918 is 81976075.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57067919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14266978 + ... + 14266981.

It is an arithmetic number, because the mean of its divisors is an integer number (21400470).

Almost surely, 2^57067918 is an apocalyptic number.

57067918 is a deficient number, since it is larger than the sum of its proper divisors (28533962).

57067918 is a wasteful number, since it uses less digits than its factorization.

57067918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28533961.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 57067918 is about 7554.3310756148. The cubic root of 57067918 is about 385.0029077196.

The spelling of 57067918 in words is "fifty-seven million, sixty-seven thousand, nine hundred eighteen".