53457142 has 16 divisors (see below), whose sum is σ = 82109952. Its totient is φ = 26090280.

The previous prime is 53457139. The next prime is 53457143. The reversal of 53457142 is 24175435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53457143) 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, 64543 + ... + 65365.

It is an arithmetic number, because the mean of its divisors is an integer number (5131872).

Almost surely, 2^53457142 is an apocalyptic number.

53457142 is a deficient number, since it is larger than the sum of its proper divisors (28652810).

53457142 is a wasteful number, since it uses less digits than its factorization.

53457142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its digits is 16800, while the sum is 31.

The square root of 53457142 is about 7311.4391196262. The cubic root of 53457142 is about 376.7054574959.

The spelling of 53457142 in words is "fifty-three million, four hundred fifty-seven thousand, one hundred forty-two".