55763207 has 4 divisors (see below), whose sum is σ = 55820136. Its totient is φ = 55706280.

The previous prime is 55763189. The next prime is 55763209. The reversal of 55763207 is 70236755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70236755 = 5 ⋅14047351.

It is a cyclic number.

It is not a de Polignac number, because 55763207 - 2⁸ = 55762951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55763209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26969 + ... + 28962.

It is an arithmetic number, because the mean of its divisors is an integer number (13955034).

Almost surely, 2^55763207 is an apocalyptic number.

55763207 is a deficient number, since it is larger than the sum of its proper divisors (56929).

55763207 is an equidigital number, since it uses as much as digits as its factorization.

55763207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56928.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 55763207 is about 7467.4766152965. The cubic root of 55763207 is about 382.0462262343.

The spelling of 55763207 in words is "fifty-five million, seven hundred sixty-three thousand, two hundred seven".