54693779 has 4 divisors (see below), whose sum is σ = 62507184. Its totient is φ = 46880376.

The previous prime is 54693773. The next prime is 54693781. The reversal of 54693779 is 97739645.

54693779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 54693779 - 2⁸ = 54693523 is a prime.

It is a super-2 number, since 2×54693779² = 5982818922601682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54693773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3906692 + ... + 3906705.

It is an arithmetic number, because the mean of its divisors is an integer number (15626796).

Almost surely, 2^54693779 is an apocalyptic number.

54693779 is a deficient number, since it is larger than the sum of its proper divisors (7813405).

54693779 is an equidigital number, since it uses as much as digits as its factorization.

54693779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813404.

The product of its digits is 1428840, while the sum is 50.

The square root of 54693779 is about 7395.5242545745. The cubic root of 54693779 is about 379.5881479702.

The spelling of 54693779 in words is "fifty-four million, six hundred ninety-three thousand, seven hundred seventy-nine".