256546054 has 4 divisors (see below), whose sum is σ = 384819084. Its totient is φ = 128273026.

The previous prime is 256546001. The next prime is 256546091. The reversal of 256546054 is 450645652.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 64136512 + ... + 64136515.

It is an arithmetic number, because the mean of its divisors is an integer number (96204771).

Almost surely, 2^256546054 is an apocalyptic number.

256546054 is a deficient number, since it is larger than the sum of its proper divisors (128273030).

256546054 is a wasteful number, since it uses less digits than its factorization.

256546054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128273029.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 256546054 is about 16017.0550976139. The cubic root of 256546054 is about 635.4115619940.

The spelling of 256546054 in words is "two hundred fifty-six million, five hundred forty-six thousand, fifty-four".