921255054 has 8 divisors (see below), whose sum is σ = 1842510120. Its totient is φ = 307085016.

The previous prime is 921255017. The next prime is 921255059. The reversal of 921255054 is 450552129.

It is a sphenic number, since it is the product of 3 distinct primes.

921255054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921255059) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76771249 + ... + 76771260.

It is an arithmetic number, because the mean of its divisors is an integer number (230313765).

Almost surely, 2^921255054 is an apocalyptic number.

921255054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

921255054 is a wasteful number, since it uses less digits than its factorization.

921255054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153542514.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 921255054 is about 30352.1836776203. The cubic root of 921255054 is about 973.0308902951.

It can be divided in two parts, 92125 and 5054, that added together give a palindrome (97179).

The spelling of 921255054 in words is "nine hundred twenty-one million, two hundred fifty-five thousand, fifty-four".