54680881 has 4 divisors (see below), whose sum is σ = 55844352. Its totient is φ = 53517412.

The previous prime is 54680851. The next prime is 54680887. The reversal of 54680881 is 18808645.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18808645 = 5 ⋅3761729.

It is a cyclic number.

It is not a de Polignac number, because 54680881 - 2⁷ = 54680753 is a prime.

It is a super-2 number, since 2×54680881² = 5979997493872322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54680887) 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, 581665 + ... + 581758.

It is an arithmetic number, because the mean of its divisors is an integer number (13961088).

Almost surely, 2^54680881 is an apocalyptic number.

It is an amenable number.

54680881 is a deficient number, since it is larger than the sum of its proper divisors (1163471).

54680881 is a wasteful number, since it uses less digits than its factorization.

54680881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163470.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 54680881 is about 7394.6521892514. The cubic root of 54680881 is about 379.5583072038.

The spelling of 54680881 in words is "fifty-four million, six hundred eighty thousand, eight hundred eighty-one".