55032071 has 4 divisors (see below), whose sum is σ = 55695192. Its totient is φ = 54368952.

The previous prime is 55032067. The next prime is 55032079. The reversal of 55032071 is 17023055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55032071 - 2² = 55032067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55032079) 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, 331436 + ... + 331601.

It is an arithmetic number, because the mean of its divisors is an integer number (13923798).

Almost surely, 2^55032071 is an apocalyptic number.

55032071 is a deficient number, since it is larger than the sum of its proper divisors (663121).

55032071 is an equidigital number, since it uses as much as digits as its factorization.

55032071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663120.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 55032071 is about 7418.3603983630. The cubic root of 55032071 is about 380.3691495851.

The spelling of 55032071 in words is "fifty-five million, thirty-two thousand, seventy-one".