52454542 has 16 divisors (see below), whose sum is σ = 92823552. Its totient is φ = 21755160.

The previous prime is 52454527. The next prime is 52454557. The reversal of 52454542 is 24545425.

It is an interprime number because it is at equal distance from previous prime (52454527) and next prime (52454557).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59998 + ... + 60865.

It is an arithmetic number, because the mean of its divisors is an integer number (5801472).

Almost surely, 2^52454542 is an apocalyptic number.

52454542 is a deficient number, since it is larger than the sum of its proper divisors (40369010).

52454542 is a wasteful number, since it uses less digits than its factorization.

52454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120903.

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

The square root of 52454542 is about 7242.5507937466. The cubic root of 52454542 is about 374.3355154042.

Adding to 52454542 its reverse (24545425), we get a palindrome (76999967).

The spelling of 52454542 in words is "fifty-two million, four hundred fifty-four thousand, five hundred forty-two".