54780874 has 4 divisors (see below), whose sum is σ = 82171314. Its totient is φ = 27390436.

The previous prime is 54780841. The next prime is 54780923. The reversal of 54780874 is 47808745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44315649 + 10465225 = 6657^2 + 3235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54780874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13695217 + ... + 13695220.

Almost surely, 2^54780874 is an apocalyptic number.

54780874 is a deficient number, since it is larger than the sum of its proper divisors (27390440).

54780874 is a wasteful number, since it uses less digits than its factorization.

54780874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390439.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 54780874 is about 7401.4102710227. The cubic root of 54780874 is about 379.7895279526.

The spelling of 54780874 in words is "fifty-four million, seven hundred eighty thousand, eight hundred seventy-four".