55932081 has 4 divisors (see below), whose sum is σ = 74576112. Its totient is φ = 37288052.

The previous prime is 55932073. The next prime is 55932127. The reversal of 55932081 is 18023955.

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 55932081 - 2³ = 55932073 is a prime.

It is a super-3 number, since 3×55932081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55932011) 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, 9322011 + ... + 9322016.

It is an arithmetic number, because the mean of its divisors is an integer number (18644028).

Almost surely, 2^55932081 is an apocalyptic number.

It is an amenable number.

55932081 is a deficient number, since it is larger than the sum of its proper divisors (18644031).

55932081 is a wasteful number, since it uses less digits than its factorization.

55932081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18644030.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 55932081 is about 7478.7753676655. The cubic root of 55932081 is about 382.4315021090.

It can be divided in two parts, 559 and 32081, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 55932081 in words is "fifty-five million, nine hundred thirty-two thousand, eighty-one".