55052081 has 8 divisors (see below), whose sum is σ = 63169344. Its totient is φ = 46998000.

The previous prime is 55052077. The next prime is 55052093. The reversal of 55052081 is 18025055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55052081 - 2² = 55052077 is a prime.

It is a super-2 number, since 2×55052081² = 6061463244861122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55052081.

It is not an unprimeable number, because it can be changed into a prime (55052021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13910 + ... + 17423.

It is an arithmetic number, because the mean of its divisors is an integer number (7896168).

Almost surely, 2^55052081 is an apocalyptic number.

It is an amenable number.

55052081 is a deficient number, since it is larger than the sum of its proper divisors (8117263).

55052081 is a wasteful number, since it uses less digits than its factorization.

55052081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31591.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 55052081 is about 7419.7089565562. The cubic root of 55052081 is about 380.4152455206.

The spelling of 55052081 in words is "fifty-five million, fifty-two thousand, eighty-one".