55967142 has 96 divisors (see below), whose sum is σ = 146522880. Its totient is φ = 13844160.

The previous prime is 55967101. The next prime is 55967159. The reversal of 55967142 is 24176955.

It is a self number, because there is not a number n which added to its sum of digits gives 55967142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244284 + ... + 244512.

It is an arithmetic number, because the mean of its divisors is an integer number (1526280).

Almost surely, 2^55967142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55967142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73261440).

55967142 is an abundant number, since it is smaller than the sum of its proper divisors (90555738).

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

55967142 is a wasteful number, since it uses less digits than its factorization.

55967142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 275 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 55967142 is about 7481.1190339414. The cubic root of 55967142 is about 382.5113944233.

The spelling of 55967142 in words is "fifty-five million, nine hundred sixty-seven thousand, one hundred forty-two".