54607778 has 8 divisors (see below), whose sum is σ = 82039068. Its totient is φ = 27261424.

The previous prime is 54607759. The next prime is 54607781. The reversal of 54607778 is 87770645.

54607778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47706649 + 6901129 = 6907^2 + 2627^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19601 + ... + 22212.

Almost surely, 2^54607778 is an apocalyptic number.

54607778 is a deficient number, since it is larger than the sum of its proper divisors (27431290).

54607778 is a wasteful number, since it uses less digits than its factorization.

54607778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42468.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 54607778 is about 7389.7075720220. The cubic root of 54607778 is about 379.3890876365.

The spelling of 54607778 in words is "fifty-four million, six hundred seven thousand, seven hundred seventy-eight".