54618778 has 8 divisors (see below), whose sum is σ = 83316960. Its totient is φ = 26846460.

The previous prime is 54618769. The next prime is 54618791. The reversal of 54618778 is 87781645.

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, 231318 + ... + 231553.

It is an arithmetic number, because the mean of its divisors is an integer number (10414620).

Almost surely, 2^54618778 is an apocalyptic number.

54618778 is a deficient number, since it is larger than the sum of its proper divisors (28698182).

54618778 is a wasteful number, since it uses less digits than its factorization.

54618778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462932.

The product of its digits is 376320, while the sum is 46.

The square root of 54618778 is about 7390.4518129814. The cubic root of 54618778 is about 379.4145601970.

The spelling of 54618778 in words is "fifty-four million, six hundred eighteen thousand, seven hundred seventy-eight".