55097001 has 6 divisors (see below), whose sum is σ = 79584570. Its totient is φ = 36731328.

The previous prime is 55096961. The next prime is 55097039. The reversal of 55097001 is 10079055.

55097001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54243225 + 853776 = 7365^2 + 924^2 .

It is not a de Polignac number, because 55097001 - 2¹⁰ = 55095977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55097041) 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 5 ways as a sum of consecutive naturals, for example, 3060936 + ... + 3060953.

It is an arithmetic number, because the mean of its divisors is an integer number (13264095).

Almost surely, 2^55097001 is an apocalyptic number.

It is an amenable number.

55097001 is a deficient number, since it is larger than the sum of its proper divisors (24487569).

55097001 is a wasteful number, since it uses less digits than its factorization.

55097001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121895 (or 6121892 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 55097001 is about 7422.7354122318. The cubic root of 55097001 is about 380.5186845846.

The spelling of 55097001 in words is "fifty-five million, ninety-seven thousand, one".