55352142 has 12 divisors (see below), whose sum is σ = 119929680. Its totient is φ = 18450708.

The previous prime is 55352123. The next prime is 55352183. The reversal of 55352142 is 24125355.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1537542 + ... + 1537577.

It is an arithmetic number, because the mean of its divisors is an integer number (9994140).

Almost surely, 2^55352142 is an apocalyptic number.

55352142 is an abundant number, since it is smaller than the sum of its proper divisors (64577538).

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

55352142 is a wasteful number, since it uses less digits than its factorization.

55352142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075127 (or 3075124 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55352142 is about 7439.9020154838. The cubic root of 55352142 is about 381.1051438580.

Adding to 55352142 its reverse (24125355), we get a palindrome (79477497).

The spelling of 55352142 in words is "fifty-five million, three hundred fifty-two thousand, one hundred forty-two".