54635138 has 8 divisors (see below), whose sum is σ = 83296380. Its totient is φ = 26869680.

The previous prime is 54635137. The next prime is 54635149. The reversal of 54635138 is 83153645.

It can be written as a sum of positive squares in 2 ways, for example, as 39526369 + 15108769 = 6287^2 + 3887^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 54635098 and 54635107.

It is not an unprimeable number, because it can be changed into a prime (54635137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223793 + ... + 224036.

Almost surely, 2^54635138 is an apocalyptic number.

54635138 is a deficient number, since it is larger than the sum of its proper divisors (28661242).

54635138 is a wasteful number, since it uses less digits than its factorization.

54635138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447892.

The product of its digits is 43200, while the sum is 35.

The square root of 54635138 is about 7391.5585636590. The cubic root of 54635138 is about 379.4524385164.

It can be divided in two parts, 5463 and 5138, that added together give a palindrome (10601).

The spelling of 54635138 in words is "fifty-four million, six hundred thirty-five thousand, one hundred thirty-eight".