54340442 has 8 divisors (see below), whose sum is σ = 87780756. Its totient is φ = 25080192.

The previous prime is 54340411. The next prime is 54340453. The reversal of 54340442 is 24404345.

It can be written as a sum of positive squares in 2 ways, for example, as 42237001 + 12103441 = 6499^2 + 3479^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2090017 = 54340442 / (5 + 4 + 3 + 4 + 0 + 4 + 4 + 2).

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, 1044983 + ... + 1045034.

Almost surely, 2^54340442 is an apocalyptic number.

54340442 is a deficient number, since it is larger than the sum of its proper divisors (33440314).

54340442 is a wasteful number, since it uses less digits than its factorization.

54340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090032.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 54340442 is about 7371.5969775890. The cubic root of 54340442 is about 378.7689664354.

Adding to 54340442 its reverse (24404345), we get a palindrome (78744787).

The spelling of 54340442 in words is "fifty-four million, three hundred forty thousand, four hundred forty-two".