57326121 has 6 divisors (see below), whose sum is σ = 82804410. Its totient is φ = 38217408.

The previous prime is 57326119. The next prime is 57326123. The reversal of 57326121 is 12162375.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57326119) and next prime (57326123).

It can be written as a sum of positive squares in only one way, i.e., 36723600 + 20602521 = 6060^2 + 4539^2 .

It is not a de Polignac number, because 57326121 - 2¹ = 57326119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57326123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3184776 + ... + 3184793.

It is an arithmetic number, because the mean of its divisors is an integer number (13800735).

Almost surely, 2^57326121 is an apocalyptic number.

It is an amenable number.

57326121 is a deficient number, since it is larger than the sum of its proper divisors (25478289).

57326121 is a wasteful number, since it uses less digits than its factorization.

57326121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369575 (or 6369572 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 57326121 is about 7571.4015215150. The cubic root of 57326121 is about 385.5826809690.

Adding to 57326121 its reverse (12162375), we get a palindrome (69488496).

The spelling of 57326121 in words is "fifty-seven million, three hundred twenty-six thousand, one hundred twenty-one".