53145451 has 16 divisors (see below), whose sum is σ = 59715360. Its totient is φ = 47001600.

The previous prime is 53145437. The next prime is 53145503. The reversal of 53145451 is 15454135.

It is not a de Polignac number, because 53145451 - 2¹¹ = 53143403 is a prime.

It is a super-3 number, since 3×53145451³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53145251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43651 + ... + 44851.

It is an arithmetic number, because the mean of its divisors is an integer number (3732210).

Almost surely, 2^53145451 is an apocalyptic number.

53145451 is a deficient number, since it is larger than the sum of its proper divisors (6569909).

53145451 is a wasteful number, since it uses less digits than its factorization.

53145451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 6000, while the sum is 28.

The square root of 53145451 is about 7290.0926605908. The cubic root of 53145451 is about 375.9718813852.

Adding to 53145451 its reverse (15454135), we get a palindrome (68599586).

The spelling of 53145451 in words is "fifty-three million, one hundred forty-five thousand, four hundred fifty-one".