55305342 has 24 divisors (see below), whose sum is σ = 124267416. Its totient is φ = 18434952.

The previous prime is 55305329. The next prime is 55305359. The reversal of 55305342 is 24350355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56413 + ... + 57384.

It is an arithmetic number, because the mean of its divisors is an integer number (5177809).

Almost surely, 2^55305342 is an apocalyptic number.

55305342 is an abundant number, since it is smaller than the sum of its proper divisors (68962074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55305342 is a wasteful number, since it uses less digits than its factorization.

55305342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113814 (or 113802 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55305342 is about 7436.7561476762. The cubic root of 55305342 is about 380.9977059816.

Adding to 55305342 its reverse (24350355), we get a palindrome (79655697).

The spelling of 55305342 in words is "fifty-five million, three hundred five thousand, three hundred forty-two".