55207001 has 8 divisors (see below), whose sum is σ = 57312000. Its totient is φ = 53122320.

The previous prime is 55206979. The next prime is 55207051. The reversal of 55207001 is 10070255.

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

It is a cyclic number.

It is not a de Polignac number, because 55207001 - 2¹⁰ = 55205977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55207051) 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, 575 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (7164000).

Almost surely, 2^55207001 is an apocalyptic number.

It is an amenable number.

55207001 is a deficient number, since it is larger than the sum of its proper divisors (2104999).

55207001 is a wasteful number, since it uses less digits than its factorization.

55207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 55207001 is about 7430.1413849267. The cubic root of 55207001 is about 380.7717487552.

Adding to 55207001 its reverse (10070255), we get a palindrome (65277256).

It can be divided in two parts, 5520 and 7001, that added together give a palindrome (12521).

The spelling of 55207001 in words is "fifty-five million, two hundred seven thousand, one".