54378490 has 8 divisors (see below), whose sum is σ = 97881300. Its totient is φ = 21751392.

The previous prime is 54378469. The next prime is 54378547. The reversal of 54378490 is 9487345.

It can be written as a sum of positive squares in 2 ways, for example, as 52722121 + 1656369 = 7261^2 + 1287^2 .

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

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, 2718915 + ... + 2718934.

Almost surely, 2^54378490 is an apocalyptic number.

54378490 is a deficient number, since it is larger than the sum of its proper divisors (43502810).

54378490 is a wasteful number, since it uses less digits than its factorization.

54378490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437856.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 54378490 is about 7374.1772422420. The cubic root of 54378490 is about 378.8573477520.

The spelling of 54378490 in words is "fifty-four million, three hundred seventy-eight thousand, four hundred ninety".