57112207 has 8 divisors (see below), whose sum is σ = 58763696. Its totient is φ = 55484352.

The previous prime is 57112193. The next prime is 57112219. The reversal of 57112207 is 70221175.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57112207 - 2⁷ = 57112079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (7345462).

Almost surely, 2^57112207 is an apocalyptic number.

57112207 is a deficient number, since it is larger than the sum of its proper divisors (1651489).

57112207 is a wasteful number, since it uses less digits than its factorization.

57112207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 57112207 is about 7557.2618718687. The cubic root of 57112207 is about 385.1024790446.

The spelling of 57112207 in words is "fifty-seven million, one hundred twelve thousand, two hundred seven".