54772081 has 16 divisors (see below), whose sum is σ = 67691008. Its totient is φ = 43156800.

The previous prime is 54772063. The next prime is 54772087. The reversal of 54772081 is 18027745.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54772081 - 2¹⁵ = 54739313 is a prime.

It is a super-2 number, since 2×54772081² = 5999961714141122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54772087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23551 + ... + 25771.

It is an arithmetic number, because the mean of its divisors is an integer number (4230688).

Almost surely, 2^54772081 is an apocalyptic number.

It is an amenable number.

54772081 is a deficient number, since it is larger than the sum of its proper divisors (12918927).

54772081 is a wasteful number, since it uses less digits than its factorization.

54772081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 54772081 is about 7400.8162387672. The cubic root of 54772081 is about 379.7692065778.

The spelling of 54772081 in words is "fifty-four million, seven hundred seventy-two thousand, eighty-one".