54261138 has 16 divisors (see below), whose sum is σ = 108611136. Its totient is φ = 18072240.

The previous prime is 54261133. The next prime is 54261143. The reversal of 54261138 is 83116245.

It is an interprime number because it is at equal distance from previous prime (54261133) and next prime (54261143).

It is not an unprimeable number, because it can be changed into a prime (54261133) 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, 6328 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (6788196).

Almost surely, 2^54261138 is an apocalyptic number.

54261138 is an abundant number, since it is smaller than the sum of its proper divisors (54349998).

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

54261138 is a wasteful number, since it uses less digits than its factorization.

54261138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409.

The product of its digits is 5760, while the sum is 30.

The square root of 54261138 is about 7366.2159892308. The cubic root of 54261138 is about 378.5846192763.

The spelling of 54261138 in words is "fifty-four million, two hundred sixty-one thousand, one hundred thirty-eight".