53045442 has 24 divisors (see below), whose sum is σ = 119189616. Its totient is φ = 17681652.

The previous prime is 53045411. The next prime is 53045453. The reversal of 53045442 is 24454035.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54088 + ... + 55059.

It is an arithmetic number, because the mean of its divisors is an integer number (4966234).

Almost surely, 2^53045442 is an apocalyptic number.

53045442 is an abundant number, since it is smaller than the sum of its proper divisors (66144174).

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

53045442 is a wasteful number, since it uses less digits than its factorization.

53045442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109164 (or 109152 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53045442 is about 7283.2301899638. The cubic root of 53045442 is about 375.7358989294.

Adding to 53045442 its reverse (24454035), we get a palindrome (77499477).

The spelling of 53045442 in words is "fifty-three million, forty-five thousand, four hundred forty-two".