55320542 has 8 divisors (see below), whose sum is σ = 83058456. Its totient is φ = 27634392.

The previous prime is 55320541. The next prime is 55320547. The reversal of 55320542 is 24502355.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55320541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10148 + ... + 14615.

It is an arithmetic number, because the mean of its divisors is an integer number (10382307).

Almost surely, 2^55320542 is an apocalyptic number.

55320542 is a deficient number, since it is larger than the sum of its proper divisors (27737914).

55320542 is a wasteful number, since it uses less digits than its factorization.

55320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55320542 is about 7437.7780284168. The cubic root of 55320542 is about 381.0326069783.

Adding to 55320542 its reverse (24502355), we get a palindrome (79822897).

The spelling of 55320542 in words is "fifty-five million, three hundred twenty thousand, five hundred forty-two".