57506461 has 4 divisors (see below), whose sum is σ = 60889212. Its totient is φ = 54123712.

The previous prime is 57506459. The next prime is 57506479. The reversal of 57506461 is 16460575.

It is a happy number.

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 53071225 + 4435236 = 7285^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 57506461 - 2¹ = 57506459 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 (57506441) 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 3 ways as a sum of consecutive naturals, for example, 1691350 + ... + 1691383.

It is an arithmetic number, because the mean of its divisors is an integer number (15222303).

Almost surely, 2^57506461 is an apocalyptic number.

It is an amenable number.

57506461 is a deficient number, since it is larger than the sum of its proper divisors (3382751).

57506461 is a wasteful number, since it uses less digits than its factorization.

57506461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382750.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57506461 is about 7583.3014578085. The cubic root of 57506461 is about 385.9865875408.

The spelling of 57506461 in words is "fifty-seven million, five hundred six thousand, four hundred sixty-one".