55801697 has 8 divisors (see below), whose sum is σ = 65329152. Its totient is φ = 46663200.

The previous prime is 55801679. The next prime is 55801699. The reversal of 55801697 is 79610855.

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 55801697 - 2¹⁰ = 55800673 is a prime.

It is a super-2 number, since 2×55801697² = 6227658776159618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (55801699) 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, 96929 + ... + 97502.

It is an arithmetic number, because the mean of its divisors is an integer number (8166144).

Almost surely, 2^55801697 is an apocalyptic number.

It is an amenable number.

55801697 is a deficient number, since it is larger than the sum of its proper divisors (9527455).

55801697 is a wasteful number, since it uses less digits than its factorization.

55801697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194479.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 55801697 is about 7470.0533465297. The cubic root of 55801697 is about 382.1341072226.

The spelling of 55801697 in words is "fifty-five million, eight hundred one thousand, six hundred ninety-seven".