53066542 has 4 divisors (see below), whose sum is σ = 79599816. Its totient is φ = 26533270.

The previous prime is 53066509. The next prime is 53066579. The reversal of 53066542 is 24566035.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13266634 + ... + 13266637.

It is an arithmetic number, because the mean of its divisors is an integer number (19899954).

Almost surely, 2^53066542 is an apocalyptic number.

53066542 is a deficient number, since it is larger than the sum of its proper divisors (26533274).

53066542 is a wasteful number, since it uses less digits than its factorization.

53066542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26533273.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53066542 is about 7284.6785790452. The cubic root of 53066542 is about 375.7857114186.

The spelling of 53066542 in words is "fifty-three million, sixty-six thousand, five hundred forty-two".