54810881 has 4 divisors (see below), whose sum is σ = 54839232. Its totient is φ = 54782532.

The previous prime is 54810803. The next prime is 54810887. The reversal of 54810881 is 18801845.

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 a cyclic number.

It is not a de Polignac number, because 54810881 - 2¹⁰ = 54809857 is a prime.

It is a super-2 number, since 2×54810881² = 6008465351992322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54810887) 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, 11045 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (13709808).

Almost surely, 2^54810881 is an apocalyptic number.

It is an amenable number.

54810881 is a deficient number, since it is larger than the sum of its proper divisors (28351).

54810881 is a wasteful number, since it uses less digits than its factorization.

54810881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28350.

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 54810881 is about 7403.4371071820. The cubic root of 54810881 is about 379.8588603267.

The spelling of 54810881 in words is "fifty-four million, eight hundred ten thousand, eight hundred eighty-one".