54294778 has 4 divisors (see below), whose sum is σ = 81442170. Its totient is φ = 27147388.

The previous prime is 54294769. The next prime is 54294781. The reversal of 54294778 is 87749245.

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., 52664049 + 1630729 = 7257^2 + 1277^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13573693 + ... + 13573696.

Almost surely, 2^54294778 is an apocalyptic number.

54294778 is a deficient number, since it is larger than the sum of its proper divisors (27147392).

54294778 is a wasteful number, since it uses less digits than its factorization.

54294778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147391.

The product of its digits is 564480, while the sum is 46.

The square root of 54294778 is about 7368.4990330460. The cubic root of 54294778 is about 378.6628395035.

The spelling of 54294778 in words is "fifty-four million, two hundred ninety-four thousand, seven hundred seventy-eight".