53445051 has 12 divisors (see below), whose sum is σ = 84216600. Its totient is φ = 32390880.

The previous prime is 53445013. The next prime is 53445053. The reversal of 53445051 is 15054435.

It is a de Polignac number, because none of the positive numbers 2^k-53445051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53445053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269826 + ... + 270023.

It is an arithmetic number, because the mean of its divisors is an integer number (7018050).

Almost surely, 2^53445051 is an apocalyptic number.

53445051 is a deficient number, since it is larger than the sum of its proper divisors (30771549).

53445051 is a wasteful number, since it uses less digits than its factorization.

53445051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539866 (or 539863 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 53445051 is about 7310.6122178652. The cubic root of 53445051 is about 376.6770541248.

Adding to 53445051 its reverse (15054435), we get a palindrome (68499486).

The spelling of 53445051 in words is "fifty-three million, four hundred forty-five thousand, fifty-one".