55435142 has 8 divisors (see below), whose sum is σ = 95031696. Its totient is φ = 23757912.

The previous prime is 55435123. The next prime is 55435151. The reversal of 55435142 is 24153455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979813 + ... + 1979840.

It is an arithmetic number, because the mean of its divisors is an integer number (11878962).

Almost surely, 2^55435142 is an apocalyptic number.

55435142 is a deficient number, since it is larger than the sum of its proper divisors (39596554).

55435142 is a wasteful number, since it uses less digits than its factorization.

55435142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959662.

The product of its digits is 12000, while the sum is 29.

The square root of 55435142 is about 7445.4779564512. The cubic root of 55435142 is about 381.2955365478.

Adding to 55435142 its reverse (24153455), we get a palindrome (79588597).

The spelling of 55435142 in words is "fifty-five million, four hundred thirty-five thousand, one hundred forty-two".