54450778 has 8 divisors (see below), whose sum is σ = 82087200. Its totient is φ = 27088380.

The previous prime is 54450763. The next prime is 54450793. The reversal of 54450778 is 87705445.

It is an interprime number because it is at equal distance from previous prime (54450763) and next prime (54450793).

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

It is a self number, because there is not a number n which added to its sum of digits gives 54450778.

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, 68008 + ... + 68803.

It is an arithmetic number, because the mean of its divisors is an integer number (10260900).

Almost surely, 2^54450778 is an apocalyptic number.

54450778 is a deficient number, since it is larger than the sum of its proper divisors (27636422).

54450778 is a wasteful number, since it uses less digits than its factorization.

54450778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137012.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 54450778 is about 7379.0770425576. The cubic root of 54450778 is about 379.0251513164.

The spelling of 54450778 in words is "fifty-four million, four hundred fifty thousand, seven hundred seventy-eight".