55464142 has 4 divisors (see below), whose sum is σ = 83196216. Its totient is φ = 27732070.

The previous prime is 55464139. The next prime is 55464163. The reversal of 55464142 is 24146455.

It is a happy number.

55464142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13866034 + ... + 13866037.

It is an arithmetic number, because the mean of its divisors is an integer number (20799054).

Almost surely, 2^55464142 is an apocalyptic number.

55464142 is a deficient number, since it is larger than the sum of its proper divisors (27732074).

55464142 is a wasteful number, since it uses less digits than its factorization.

55464142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27732073.

The product of its digits is 19200, while the sum is 31.

The square root of 55464142 is about 7447.4251926421. The cubic root of 55464142 is about 381.3620144926.

The spelling of 55464142 in words is "fifty-five million, four hundred sixty-four thousand, one hundred forty-two".