53616451 has 4 divisors (see below), whose sum is σ = 61275952. Its totient is φ = 45956952.

The previous prime is 53616449. The next prime is 53616467. The reversal of 53616451 is 15461635.

53616451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53616451 - 2¹ = 53616449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53616401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3829740 + ... + 3829753.

It is an arithmetic number, because the mean of its divisors is an integer number (15318988).

Almost surely, 2^53616451 is an apocalyptic number.

53616451 is a deficient number, since it is larger than the sum of its proper divisors (7659501).

53616451 is an equidigital number, since it uses as much as digits as its factorization.

53616451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659500.

The product of its digits is 10800, while the sum is 31.

The square root of 53616451 is about 7322.3255185767. The cubic root of 53616451 is about 377.0792962447.

The spelling of 53616451 in words is "fifty-three million, six hundred sixteen thousand, four hundred fifty-one".