55542342 has 32 divisors (see below), whose sum is σ = 113411808. Its totient is φ = 18130176.

The previous prime is 55542341. The next prime is 55542343. The reversal of 55542342 is 24324555.

It is an interprime number because it is at equal distance from previous prime (55542341) and next prime (55542343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75408 + ... + 76140.

It is an arithmetic number, because the mean of its divisors is an integer number (3544119).

Almost surely, 2^55542342 is an apocalyptic number.

55542342 is an abundant number, since it is smaller than the sum of its proper divisors (57869466).

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

55542342 is a wasteful number, since it uses less digits than its factorization.

55542342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its digits is 24000, while the sum is 30.

The square root of 55542342 is about 7452.6734800339. The cubic root of 55542342 is about 381.5411602953.

Adding to 55542342 its reverse (24324555), we get a palindrome (79866897).

The spelling of 55542342 in words is "fifty-five million, five hundred forty-two thousand, three hundred forty-two".