53123442 has 32 divisors (see below), whose sum is σ = 109078272. Its totient is φ = 17240064.

The previous prime is 53123431. The next prime is 53123459. The reversal of 53123442 is 24432135.

53123442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72108 + ... + 72840.

It is an arithmetic number, because the mean of its divisors is an integer number (3408696).

Almost surely, 2^53123442 is an apocalyptic number.

53123442 is an abundant number, since it is smaller than the sum of its proper divisors (55954830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53123442 is a wasteful number, since it uses less digits than its factorization.

53123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its digits is 2880, while the sum is 24.

The square root of 53123442 is about 7288.5829898547. The cubic root of 53123442 is about 375.9199741037.

Adding to 53123442 its reverse (24432135), we get a palindrome (77555577).

The spelling of 53123442 in words is "fifty-three million, one hundred twenty-three thousand, four hundred forty-two".