57174121 has 4 divisors (see below), whose sum is σ = 58252932. Its totient is φ = 56095312.

The previous prime is 57174101. The next prime is 57174157. The reversal of 57174121 is 12147175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35271721 + 21902400 = 5939^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 57174121 - 2⁹ = 57173609 is a prime.

It is a super-2 number, since 2×57174121² = 6537760224245282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57174121.

It is not an unprimeable number, because it can be changed into a prime (57174101) 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, 539326 + ... + 539431.

It is an arithmetic number, because the mean of its divisors is an integer number (14563233).

Almost surely, 2^57174121 is an apocalyptic number.

It is an amenable number.

57174121 is a deficient number, since it is larger than the sum of its proper divisors (1078811).

57174121 is a wasteful number, since it uses less digits than its factorization.

57174121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078810.

The product of its digits is 1960, while the sum is 28.

The square root of 57174121 is about 7561.3570871901. The cubic root of 57174121 is about 385.2415889674.

The spelling of 57174121 in words is "fifty-seven million, one hundred seventy-four thousand, one hundred twenty-one".