55158074 has 8 divisors (see below), whose sum is σ = 83369088. Its totient is φ = 27368380.

The previous prime is 55158067. The next prime is 55158113. The reversal of 55158074 is 47085155.

55158074 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 Curzon 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, 105002 + ... + 105525.

It is an arithmetic number, because the mean of its divisors is an integer number (10421136).

Almost surely, 2^55158074 is an apocalyptic number.

55158074 is a deficient number, since it is larger than the sum of its proper divisors (28211014).

55158074 is a wasteful number, since it uses less digits than its factorization.

55158074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210660.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 55158074 is about 7426.8481874884. The cubic root of 55158074 is about 380.6592296585.

The spelling of 55158074 in words is "fifty-five million, one hundred fifty-eight thousand, seventy-four".