54680618 has 4 divisors (see below), whose sum is σ = 82020930. Its totient is φ = 27340308.

The previous prime is 54680617. The next prime is 54680641. The reversal of 54680618 is 81608645.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81608645 = 5 ⋅16321729.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 11607649 = 6563^2 + 3407^2 .

It is not an unprimeable number, because it can be changed into a prime (54680617) 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 as a sum of consecutive naturals, namely, 13670153 + ... + 13670156.

Almost surely, 2^54680618 is an apocalyptic number.

54680618 is a deficient number, since it is larger than the sum of its proper divisors (27340312).

54680618 is a wasteful number, since it uses less digits than its factorization.

54680618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340311.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 54680618 is about 7394.6344061083. The cubic root of 54680618 is about 379.5576986791.

The spelling of 54680618 in words is "fifty-four million, six hundred eighty thousand, six hundred eighteen".