53145042 has 16 divisors (see below), whose sum is σ = 110911680. Its totient is φ = 16944752.

The previous prime is 53145031. The next prime is 53145049. The reversal of 53145042 is 24054135.

It is not an unprimeable number, because it can be changed into a prime (53145049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192417 + ... + 192692.

It is an arithmetic number, because the mean of its divisors is an integer number (6931980).

Almost surely, 2^53145042 is an apocalyptic number.

53145042 is an abundant number, since it is smaller than the sum of its proper divisors (57766638).

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

53145042 is a wasteful number, since it uses less digits than its factorization.

53145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385137.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 53145042 is about 7290.0646087672. The cubic root of 53145042 is about 375.9709169070.

Adding to 53145042 its reverse (24054135), we get a palindrome (77199177).

The spelling of 53145042 in words is "fifty-three million, one hundred forty-five thousand, forty-two".