54049638 has 16 divisors (see below), whose sum is σ = 109580976. Its totient is φ = 17769600.

The previous prime is 54049631. The next prime is 54049643. The reversal of 54049638 is 83694045.

It is a junction number, because it is equal to n+sod(n) for n = 54049596 and 54049605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54049631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61263 + ... + 62138.

It is an arithmetic number, because the mean of its divisors is an integer number (6848811).

Almost surely, 2^54049638 is an apocalyptic number.

54049638 is an abundant number, since it is smaller than the sum of its proper divisors (55531338).

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

54049638 is a wasteful number, since it uses less digits than its factorization.

54049638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123479.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 54049638 is about 7351.8458906590. The cubic root of 54049638 is about 378.0920942428.

The spelling of 54049638 in words is "fifty-four million, forty-nine thousand, six hundred thirty-eight".