54910681 has 4 divisors (see below), whose sum is σ = 62755072. Its totient is φ = 47066292.

The previous prime is 54910679. The next prime is 54910733. The reversal of 54910681 is 18601945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54910681 - 2¹ = 54910679 is a prime.

It is a super-2 number, since 2×54910681² = 6030365775767522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54910621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922185 + ... + 3922198.

It is an arithmetic number, because the mean of its divisors is an integer number (15688768).

Almost surely, 2^54910681 is an apocalyptic number.

It is an amenable number.

54910681 is a deficient number, since it is larger than the sum of its proper divisors (7844391).

54910681 is an equidigital number, since it uses as much as digits as its factorization.

54910681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844390.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 54910681 is about 7410.1741544987. The cubic root of 54910681 is about 380.0892703472.

The spelling of 54910681 in words is "fifty-four million, nine hundred ten thousand, six hundred eighty-one".