52545451 has 8 divisors (see below), whose sum is σ = 60103424. Its totient is φ = 45000360.

The previous prime is 52545421. The next prime is 52545491. The reversal of 52545451 is 15454525.

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

It is a cyclic number.

It is not a de Polignac number, because 52545451 - 2¹⁵ = 52512683 is a prime.

It is a super-2 number, since 2×52545451² = 5522048841586802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52545421) 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, 8266 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (7512928).

Almost surely, 2^52545451 is an apocalyptic number.

52545451 is a deficient number, since it is larger than the sum of its proper divisors (7557973).

52545451 is a wasteful number, since it uses less digits than its factorization.

52545451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441.

The product of its digits is 20000, while the sum is 31.

The square root of 52545451 is about 7248.8241115370. The cubic root of 52545451 is about 374.5516443009.

Adding to 52545451 its reverse (15454525), we get a palindrome (67999976).

The spelling of 52545451 in words is "fifty-two million, five hundred forty-five thousand, four hundred fifty-one".