55707863 has 8 divisors (see below), whose sum is σ = 58707936. Its totient is φ = 52756000.

The previous prime is 55707809. The next prime is 55707893. The reversal of 55707863 is 36870755.

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 55707863 - 2²² = 51513559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55707863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55707803) 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, 9668 + ... + 14313.

It is an arithmetic number, because the mean of its divisors is an integer number (7338492).

Almost surely, 2^55707863 is an apocalyptic number.

55707863 is a deficient number, since it is larger than the sum of its proper divisors (3000073).

55707863 is a wasteful number, since it uses less digits than its factorization.

55707863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24105.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 55707863 is about 7463.7700259319. The cubic root of 55707863 is about 381.9197930158.

The spelling of 55707863 in words is "fifty-five million, seven hundred seven thousand, eight hundred sixty-three".