54251406 has 24 divisors (see below), whose sum is σ = 128231064. Its totient is φ = 16439760.

The previous prime is 54251399. The next prime is 54251419. The reversal of 54251406 is 60415245.

54251406 is a `hidden beast` number, since 5 + 4 + 251 + 406 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54251406.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 136801 + ... + 137196.

It is an arithmetic number, because the mean of its divisors is an integer number (5342961).

Almost surely, 2^54251406 is an apocalyptic number.

54251406 is an abundant number, since it is smaller than the sum of its proper divisors (73979658).

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

54251406 is a wasteful number, since it uses less digits than its factorization.

54251406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274016 (or 274013 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54251406 is about 7365.5553762089. Note that the first 3 decimals coincide. The cubic root of 54251406 is about 378.5619842564.

The spelling of 54251406 in words is "fifty-four million, two hundred fifty-one thousand, four hundred six".