54811510778 has 8 divisors (see below), whose sum is σ = 82227094272. Its totient is φ = 27402479356.

The previous prime is 54811510759. The next prime is 54811510799. The reversal of 54811510778 is 87701511845.

54811510778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1617050 + ... + 1650597.

It is an arithmetic number, because the mean of its divisors is an integer number (10278386784).

Almost surely, 2^54811510778 is an apocalyptic number.

54811510778 is a deficient number, since it is larger than the sum of its proper divisors (27415583494).

54811510778 is a wasteful number, since it uses less digits than its factorization.

54811510778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276036.

The product of its (nonzero) digits is 313600, while the sum is 47.

The spelling of 54811510778 in words is "fifty-four billion, eight hundred eleven million, five hundred ten thousand, seven hundred seventy-eight".