493978054 has 8 divisors (see below), whose sum is σ = 766517760. Its totient is φ = 238472136.

The previous prime is 493978021. The next prime is 493978117. The reversal of 493978054 is 450879394.

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 = 493977989 and 493978007.

It is a congruent number.

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, 4258374 + ... + 4258489.

It is an arithmetic number, because the mean of its divisors is an integer number (95814720).

Almost surely, 2^493978054 is an apocalyptic number.

493978054 is a deficient number, since it is larger than the sum of its proper divisors (272539706).

493978054 is a wasteful number, since it uses less digits than its factorization.

493978054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516894.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 493978054 is about 22225.6170667993. The cubic root of 493978054 is about 790.5012329479.

The spelling of 493978054 in words is "four hundred ninety-three million, nine hundred seventy-eight thousand, fifty-four".