54521738 has 8 divisors (see below), whose sum is σ = 81948000. Its totient is φ = 27205740.

The previous prime is 54521713. The next prime is 54521791. The reversal of 54521738 is 83712545.

It is a happy number.

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 = 54521698 and 54521707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26318 + ... + 28313.

It is an arithmetic number, because the mean of its divisors is an integer number (10243500).

Almost surely, 2^54521738 is an apocalyptic number.

54521738 is a deficient number, since it is larger than the sum of its proper divisors (27426262).

54521738 is a wasteful number, since it uses less digits than its factorization.

54521738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55132.

The product of its digits is 33600, while the sum is 35.

The square root of 54521738 is about 7383.8836664725. The cubic root of 54521738 is about 379.1897277820.

The spelling of 54521738 in words is "fifty-four million, five hundred twenty-one thousand, seven hundred thirty-eight".