54238738 has 32 divisors (see below), whose sum is σ = 92036736. Its totient is φ = 23831808.

The previous prime is 54238733. The next prime is 54238741. The reversal of 54238738 is 83783245.

It is a self number, because there is not a number n which added to its sum of digits gives 54238738.

It is not an unprimeable number, because it can be changed into a prime (54238733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32820 + ... + 34432.

It is an arithmetic number, because the mean of its divisors is an integer number (2876148).

Almost surely, 2^54238738 is an apocalyptic number.

54238738 is a deficient number, since it is larger than the sum of its proper divisors (37797998).

54238738 is a wasteful number, since it uses less digits than its factorization.

54238738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698.

The product of its digits is 161280, while the sum is 40.

The square root of 54238738 is about 7364.6953772712. The cubic root of 54238738 is about 378.5325165315.

It can be divided in two parts, 5423 and 8738, that added together give a square (14161 = 119²).

The spelling of 54238738 in words is "fifty-four million, two hundred thirty-eight thousand, seven hundred thirty-eight".