55896817 has 8 divisors (see below), whose sum is σ = 57507912. Its totient is φ = 54297600.

The previous prime is 55896811. The next prime is 55896829. The reversal of 55896817 is 71869855.

It can be written as a sum of positive squares in 4 ways, for example, as 6241 + 55890576 = 79^2 + 7476^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55896817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55896811) 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, 7053 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (7188489).

It is a vampire number, since it can be written as 5657 ⋅ 9881 (with its own digits).

Almost surely, 2^55896817 is an apocalyptic number.

It is an amenable number.

55896817 is a deficient number, since it is larger than the sum of its proper divisors (1611095).

55896817 is a wasteful number, since it uses less digits than its factorization.

55896817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939.

The product of its digits is 604800, while the sum is 49.

The square root of 55896817 is about 7476.4173907026. The cubic root of 55896817 is about 382.3511135409.

The spelling of 55896817 in words is "fifty-five million, eight hundred ninety-six thousand, eight hundred seventeen".