55142888 has 8 divisors (see below), whose sum is σ = 103392930. Its totient is φ = 27571440.

The previous prime is 55142873. The next prime is 55142929. The reversal of 55142888 is 88824155.

It is a happy number.

55142888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35976004 + 19166884 = 5998^2 + 4378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 3446423 + ... + 3446438.

Almost surely, 2^55142888 is an apocalyptic number.

It is an amenable number.

55142888 is a deficient number, since it is larger than the sum of its proper divisors (48250042).

55142888 is a wasteful number, since it uses less digits than its factorization.

55142888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892867 (or 6892863 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 55142888 is about 7425.8257453296. The cubic root of 55142888 is about 380.6242923638.

The spelling of 55142888 in words is "fifty-five million, one hundred forty-two thousand, eight hundred eighty-eight".