55516342 has 16 divisors (see below), whose sum is σ = 99309312. Its totient is φ = 22758120.

The previous prime is 55516303. The next prime is 55516343. The reversal of 55516342 is 24361555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55516343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85884 + ... + 86527.

It is an arithmetic number, because the mean of its divisors is an integer number (6206832).

Almost surely, 2^55516342 is an apocalyptic number.

55516342 is a deficient number, since it is larger than the sum of its proper divisors (43792970).

55516342 is a wasteful number, since it uses less digits than its factorization.

55516342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172443.

The product of its digits is 18000, while the sum is 31.

The square root of 55516342 is about 7450.9289353744. The cubic root of 55516342 is about 381.4816164223.

Adding to 55516342 its reverse (24361555), we get a palindrome (79877897).

The spelling of 55516342 in words is "fifty-five million, five hundred sixteen thousand, three hundred forty-two".