55798001 has 8 divisors (see below), whose sum is σ = 65968320. Its totient is φ = 46177488.

The previous prime is 55797983. The next prime is 55798019. The reversal of 55798001 is 10089755.

It is an interprime number because it is at equal distance from previous prime (55797983) and next prime (55798019).

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

It is a de Polignac number, because none of the positive numbers 2^k-55798001 is a prime.

It is a super-2 number, since 2×55798001² = 6226833831192002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55798031) 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, 137231 + ... + 137636.

It is an arithmetic number, because the mean of its divisors is an integer number (8246040).

Almost surely, 2^55798001 is an apocalyptic number.

It is an amenable number.

55798001 is a deficient number, since it is larger than the sum of its proper divisors (10170319).

55798001 is a wasteful number, since it uses less digits than its factorization.

55798001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274903.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 55798001 is about 7469.8059546417. The cubic root of 55798001 is about 382.1256702101.

The spelling of 55798001 in words is "fifty-five million, seven hundred ninety-eight thousand, one".