57551 has 8 divisors (see below), whose sum is σ = 65520. Its totient is φ = 50112.

The previous prime is 57529. The next prime is 57557. The reversal of 57551 is 15575.

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 57551 - 2⁶ = 57487 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 363.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

2⁵⁷⁵⁵¹ is an apocalyptic number.

57551 is a deficient number, since it is larger than the sum of its proper divisors (7969).

57551 is a wasteful number, since it uses less digits than its factorization.

57551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 875, while the sum is 23.

The square root of 57551 is about 239.8978949470. The cubic root of 57551 is about 38.6086211247.

It can be divided in two parts, 575 and 51, that added together give a palindrome (626).

The spelling of 57551 in words is "fifty-seven thousand, five hundred fifty-one".