53451563 has 8 divisors (see below), whose sum is σ = 60846336. Its totient is φ = 46479400.

The previous prime is 53451557. The next prime is 53451571. The reversal of 53451563 is 36515435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53451563 - 2⁶ = 53451499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53451583) 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, 105383 + ... + 105888.

It is an arithmetic number, because the mean of its divisors is an integer number (7605792).

Almost surely, 2^53451563 is an apocalyptic number.

53451563 is a deficient number, since it is larger than the sum of its proper divisors (7394773).

53451563 is a wasteful number, since it uses less digits than its factorization.

53451563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211305.

The product of its digits is 27000, while the sum is 32.

The square root of 53451563 is about 7311.0575842350. The cubic root of 53451563 is about 376.6923522133.

Adding to 53451563 its reverse (36515435), we get a palindrome (89966998).

The spelling of 53451563 in words is "fifty-three million, four hundred fifty-one thousand, five hundred sixty-three".