52545454 has 8 divisors (see below), whose sum is σ = 84881160. Its totient is φ = 24251736.

The previous prime is 52545421. The next prime is 52545491. The reversal of 52545454 is 45454525.

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

It is a super-2 number, since 2×52545454² = 5522049472132232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010464 + ... + 1010515.

It is an arithmetic number, because the mean of its divisors is an integer number (10610145).

Almost surely, 2^52545454 is an apocalyptic number.

52545454 is a deficient number, since it is larger than the sum of its proper divisors (32335706).

52545454 is a wasteful number, since it uses less digits than its factorization.

52545454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020994.

The product of its digits is 80000, while the sum is 34.

The square root of 52545454 is about 7248.8243184671. The cubic root of 52545454 is about 374.5516514290.

Adding to 52545454 its reverse (45454525), we get a palindrome (97999979).

The spelling of 52545454 in words is "fifty-two million, five hundred forty-five thousand, four hundred fifty-four".