54002738 has 4 divisors (see below), whose sum is σ = 81004110. Its totient is φ = 27001368.

The previous prime is 54002723. The next prime is 54002747. The reversal of 54002738 is 83720045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83720045 = 5 ⋅16744009.

It can be written as a sum of positive squares in only one way, i.e., 33327529 + 20675209 = 5773^2 + 4547^2 .

It is a super-2 number, since 2×54002738² = 5832591422993288, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54002738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500683 + ... + 13500686.

Almost surely, 2^54002738 is an apocalyptic number.

54002738 is a deficient number, since it is larger than the sum of its proper divisors (27001372).

54002738 is a wasteful number, since it uses less digits than its factorization.

54002738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27001371.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 54002738 is about 7348.6555232913. The cubic root of 54002738 is about 377.9827031269.

The spelling of 54002738 in words is "fifty-four million, two thousand, seven hundred thirty-eight".