53942057 has 4 divisors (see below), whose sum is σ = 58091460. Its totient is φ = 49792656.

The previous prime is 53942051. The next prime is 53942093. The reversal of 53942057 is 75024935.

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 15241216 + 38700841 = 3904^2 + 6221^2 .

It is a cyclic number.

It is not a de Polignac number, because 53942057 - 2¹⁴ = 53925673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53942051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074682 + ... + 2074707.

It is an arithmetic number, because the mean of its divisors is an integer number (14522865).

Almost surely, 2^53942057 is an apocalyptic number.

It is an amenable number.

53942057 is a deficient number, since it is larger than the sum of its proper divisors (4149403).

53942057 is a wasteful number, since it uses less digits than its factorization.

53942057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149402.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 53942057 is about 7344.5256483996. The cubic root of 53942057 is about 377.8410747233.

The spelling of 53942057 in words is "fifty-three million, nine hundred forty-two thousand, fifty-seven".