55032001 has 4 divisors (see below), whose sum is σ = 55251504. Its totient is φ = 54812500.

The previous prime is 55031989. The next prime is 55032023. The reversal of 55032001 is 10023055.

55032001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55032001 - 2⁵ = 55031969 is a prime.

It is a super-2 number, since 2×55032001² = 6057042268128002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55032041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109375 + ... + 109876.

It is an arithmetic number, because the mean of its divisors is an integer number (13812876).

Almost surely, 2^55032001 is an apocalyptic number.

It is an amenable number.

55032001 is a deficient number, since it is larger than the sum of its proper divisors (219503).

55032001 is a wasteful number, since it uses less digits than its factorization.

55032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219502.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55032001 is about 7418.3556803378. The cubic root of 55032001 is about 380.3689883104.

Adding to 55032001 its reverse (10023055), we get a palindrome (65055056).

The spelling of 55032001 in words is "fifty-five million, thirty-two thousand, one".