2157054 has 8 divisors (see below), whose sum is σ = 4314120. Its totient is φ = 719016.

The previous prime is 2157041. The next prime is 2157091. The reversal of 2157054 is 4507512.

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

2157054 is an admirable number.

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, 179749 + ... + 179760.

It is an arithmetic number, because the mean of its divisors is an integer number (539265).

2^2157054 is an apocalyptic number.

2157054 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.

2157054 is a wasteful number, since it uses less digits than its factorization.

2157054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359514.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2157054 is about 1468.6912541443. The cubic root of 2157054 is about 129.2072864732.

It can be divided in two parts, 21 and 57054, that added together give a palindrome (57075).

The spelling of 2157054 in words is "two million, one hundred fifty-seven thousand, fifty-four".