52542454 has 4 divisors (see below), whose sum is σ = 78813684. Its totient is φ = 26271226.

The previous prime is 52542449. The next prime is 52542473. The reversal of 52542454 is 45424525.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135612 + ... + 13135615.

It is an arithmetic number, because the mean of its divisors is an integer number (19703421).

Almost surely, 2^52542454 is an apocalyptic number.

52542454 is a deficient number, since it is larger than the sum of its proper divisors (26271230).

52542454 is a wasteful number, since it uses less digits than its factorization.

52542454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26271229.

The product of its digits is 32000, while the sum is 31.

The square root of 52542454 is about 7248.6173854053. The cubic root of 52542454 is about 374.5445231477.

Adding to 52542454 its reverse (45424525), we get a palindrome (97966979).

The spelling of 52542454 in words is "fifty-two million, five hundred forty-two thousand, four hundred fifty-four".