53228542 has 4 divisors (see below), whose sum is σ = 79842816. Its totient is φ = 26614270.

The previous prime is 53228507. The next prime is 53228551. The reversal of 53228542 is 24582235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24582235 = 5 ⋅4916447.

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, 13307134 + ... + 13307137.

It is an arithmetic number, because the mean of its divisors is an integer number (19960704).

Almost surely, 2^53228542 is an apocalyptic number.

53228542 is a deficient number, since it is larger than the sum of its proper divisors (26614274).

53228542 is a wasteful number, since it uses less digits than its factorization.

53228542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26614273.

The product of its digits is 19200, while the sum is 31.

The square root of 53228542 is about 7295.7893335814. The cubic root of 53228542 is about 376.1677188610.

The spelling of 53228542 in words is "fifty-three million, two hundred twenty-eight thousand, five hundred forty-two".