55057982 has 8 divisors (see below), whose sum is σ = 94385136. Its totient is φ = 23596272.

The previous prime is 55057969. The next prime is 55057997. The reversal of 55057982 is 28975055.

55057982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966343 + ... + 1966370.

It is an arithmetic number, because the mean of its divisors is an integer number (11798142).

Almost surely, 2^55057982 is an apocalyptic number.

55057982 is a deficient number, since it is larger than the sum of its proper divisors (39327154).

55057982 is a wasteful number, since it uses less digits than its factorization.

55057982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932722.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 55057982 is about 7420.1066030078. The cubic root of 55057982 is about 380.4288371967.

The spelling of 55057982 in words is "fifty-five million, fifty-seven thousand, nine hundred eighty-two".