57401129 has 4 divisors (see below), whose sum is σ = 60777684. Its totient is φ = 54024576.

The previous prime is 57401117. The next prime is 57401131. The reversal of 57401129 is 92110475.

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 26543104 + 30858025 = 5152^2 + 5555^2 .

It is a cyclic number.

It is not a de Polignac number, because 57401129 - 2¹² = 57397033 is a prime.

It is a super-2 number, since 2×57401129² = 6589779220949282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57400129) 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, 1688252 + ... + 1688285.

It is an arithmetic number, because the mean of its divisors is an integer number (15194421).

Almost surely, 2^57401129 is an apocalyptic number.

It is an amenable number.

57401129 is a deficient number, since it is larger than the sum of its proper divisors (3376555).

57401129 is a wasteful number, since it uses less digits than its factorization.

57401129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376554.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57401129 is about 7576.3532784579. The cubic root of 57401129 is about 385.7507787472.

The spelling of 57401129 in words is "fifty-seven million, four hundred one thousand, one hundred twenty-nine".