54840394 has 16 divisors (see below), whose sum is σ = 96199488. Its totient is φ = 22956192.

The previous prime is 54840391. The next prime is 54840397. The reversal of 54840394 is 49304845.

It is an interprime number because it is at equal distance from previous prime (54840391) and next prime (54840397).

It is not an unprimeable number, because it can be changed into a prime (54840391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44947 + ... + 46150.

It is an arithmetic number, because the mean of its divisors is an integer number (6012468).

Almost surely, 2^54840394 is an apocalyptic number.

54840394 is a deficient number, since it is larger than the sum of its proper divisors (41359094).

54840394 is a wasteful number, since it uses less digits than its factorization.

54840394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91149.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 54840394 is about 7405.4300347785. The cubic root of 54840394 is about 379.9270266153.

The spelling of 54840394 in words is "fifty-four million, eight hundred forty thousand, three hundred ninety-four".