54394042 has 8 divisors (see below), whose sum is σ = 81786132. Its totient is φ = 27132000.

The previous prime is 54394037. The next prime is 54394049. The reversal of 54394042 is 24049345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53567761 + 826281 = 7319^2 + 909^2 .

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 = 54393995 and 54394013.

It is not an unprimeable number, because it can be changed into a prime (54394049) 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, 31459 + ... + 33142.

Almost surely, 2^54394042 is an apocalyptic number.

54394042 is a deficient number, since it is larger than the sum of its proper divisors (27392090).

54394042 is a wasteful number, since it uses less digits than its factorization.

54394042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65024.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54394042 is about 7375.2316573786. The cubic root of 54394042 is about 378.8934614670.

The spelling of 54394042 in words is "fifty-four million, three hundred ninety-four thousand, forty-two".