53113451 has 4 divisors (see below), whose sum is σ = 53133600. Its totient is φ = 53093304.

The previous prime is 53113421. The next prime is 53113499. The reversal of 53113451 is 15431135.

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 53113451 - 2¹⁸ = 52851307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53113421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5396 + ... + 11633.

It is an arithmetic number, because the mean of its divisors is an integer number (13283400).

Almost surely, 2^53113451 is an apocalyptic number.

53113451 is a deficient number, since it is larger than the sum of its proper divisors (20149).

53113451 is a wasteful number, since it uses less digits than its factorization.

53113451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20148.

The product of its digits is 900, while the sum is 23.

The square root of 53113451 is about 7287.8975706304. The cubic root of 53113451 is about 375.8964060278.

Adding to 53113451 its reverse (15431135), we get a palindrome (68544586).

The spelling of 53113451 in words is "fifty-three million, one hundred thirteen thousand, four hundred fifty-one".