54239378 has 4 divisors (see below), whose sum is σ = 81359070. Its totient is φ = 27119688.

The previous prime is 54239347. The next prime is 54239389. The reversal of 54239378 is 87393245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87393245 = 5 ⋅17478649.

It can be written as a sum of positive squares in only one way, i.e., 53772889 + 466489 = 7333^2 + 683^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13559843 + ... + 13559846.

Almost surely, 2^54239378 is an apocalyptic number.

54239378 is a deficient number, since it is larger than the sum of its proper divisors (27119692).

54239378 is a wasteful number, since it uses less digits than its factorization.

54239378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27119691.

The product of its digits is 181440, while the sum is 41.

The square root of 54239378 is about 7364.7388276843. The cubic root of 54239378 is about 378.5340053804.

The spelling of 54239378 in words is "fifty-four million, two hundred thirty-nine thousand, three hundred seventy-eight".