52404542 has 4 divisors (see below), whose sum is σ = 78606816. Its totient is φ = 26202270.

The previous prime is 52404497. The next prime is 52404563. The reversal of 52404542 is 24540425.

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

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, 13101134 + ... + 13101137.

It is an arithmetic number, because the mean of its divisors is an integer number (19651704).

Almost surely, 2^52404542 is an apocalyptic number.

52404542 is a deficient number, since it is larger than the sum of its proper divisors (26202274).

52404542 is a wasteful number, since it uses less digits than its factorization.

52404542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26202273.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 52404542 is about 7239.0981482502. The cubic root of 52404542 is about 374.2165379354.

Adding to 52404542 its reverse (24540425), we get a palindrome (76944967).

The spelling of 52404542 in words is "fifty-two million, four hundred four thousand, five hundred forty-two".