54381236 has 24 divisors (see below), whose sum is σ = 117129600. Its totient is φ = 21513312.

The previous prime is 54381227. The next prime is 54381253. The reversal of 54381236 is 63218345.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74336 + ... + 75063.

It is an arithmetic number, because the mean of its divisors is an integer number (4880400).

Almost surely, 2^54381236 is an apocalyptic number.

It is an amenable number.

54381236 is an abundant number, since it is smaller than the sum of its proper divisors (62748364).

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

54381236 is a wasteful number, since it uses less digits than its factorization.

54381236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149423 (or 149421 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 54381236 is about 7374.3634301545. The cubic root of 54381236 is about 378.8637248125.

The spelling of 54381236 in words is "fifty-four million, three hundred eighty-one thousand, two hundred thirty-six".