55206342 has 48 divisors (see below), whose sum is σ = 122795712. Its totient is φ = 17919360.

The previous prime is 55206317. The next prime is 55206353. The reversal of 55206342 is 24360255.

55206342 is a `hidden beast` number, since 5 + 5 + 20 + 634 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150243 + ... + 150609.

It is an arithmetic number, because the mean of its divisors is an integer number (2558244).

Almost surely, 2^55206342 is an apocalyptic number.

55206342 is an abundant number, since it is smaller than the sum of its proper divisors (67589370).

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

55206342 is a wasteful number, since it uses less digits than its factorization.

55206342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 55206342 is about 7430.0970383973. The cubic root of 55206342 is about 380.7702336721.

Adding to 55206342 its reverse (24360255), we get a palindrome (79566597).

The spelling of 55206342 in words is "fifty-five million, two hundred six thousand, three hundred forty-two".