57771461 has 4 divisors (see below), whose sum is σ = 63023424. Its totient is φ = 52519500.

The previous prime is 57771409. The next prime is 57771473. The reversal of 57771461 is 16417775.

It is a happy number.

57771461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57771461 - 2²² = 53577157 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 (57771401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625965 + ... + 2625986.

It is an arithmetic number, because the mean of its divisors is an integer number (15755856).

Almost surely, 2^57771461 is an apocalyptic number.

It is an amenable number.

57771461 is a deficient number, since it is larger than the sum of its proper divisors (5251963).

57771461 is a wasteful number, since it uses less digits than its factorization.

57771461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251962.

The product of its digits is 41160, while the sum is 38.

The square root of 57771461 is about 7600.7539757579. The cubic root of 57771461 is about 386.5785774198.

It can be divided in two parts, 577714 and 61, that added together give a palindrome (577775).

The spelling of 57771461 in words is "fifty-seven million, seven hundred seventy-one thousand, four hundred sixty-one".