54138814 has 8 divisors (see below), whose sum is σ = 82420488. Its totient is φ = 26665320.

The previous prime is 54138787. The next prime is 54138817. The reversal of 54138814 is 41883145.

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

It is a super-2 number, since 2×54138814² = 5862022362653192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54138814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54138817) 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, 201877 + ... + 202144.

It is an arithmetic number, because the mean of its divisors is an integer number (10302561).

Almost surely, 2^54138814 is an apocalyptic number.

54138814 is a deficient number, since it is larger than the sum of its proper divisors (28281674).

54138814 is a wasteful number, since it uses less digits than its factorization.

54138814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404090.

The product of its digits is 15360, while the sum is 34.

The square root of 54138814 is about 7357.9082625431. The cubic root of 54138814 is about 378.2999168780.

The spelling of 54138814 in words is "fifty-four million, one hundred thirty-eight thousand, eight hundred fourteen".