55260081 has 24 divisors (see below), whose sum is σ = 85722624. Its totient is φ = 34177920.

The previous prime is 55260071. The next prime is 55260089. The reversal of 55260081 is 18006255.

55260081 is a `hidden beast` number, since 5 + 52 + 600 + 8 + 1 = 666.

It is not a de Polignac number, because 55260081 - 2⁶ = 55260017 is a prime.

It is a super-2 number, since 2×55260081² = 6107353104253122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55260089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8320 + ... + 13406.

It is an arithmetic number, because the mean of its divisors is an integer number (3571776).

Almost surely, 2^55260081 is an apocalyptic number.

55260081 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55260081 is a deficient number, since it is larger than the sum of its proper divisors (30462543).

55260081 is a wasteful number, since it uses less digits than its factorization.

55260081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 55260081 is about 7433.7124641729. The cubic root of 55260081 is about 380.8937434899.

The spelling of 55260081 in words is "fifty-five million, two hundred sixty thousand, eighty-one".