55943207 has 6 divisors (see below), whose sum is σ = 57185904. Its totient is φ = 54702740.

The previous prime is 55943203. The next prime is 55943221. The reversal of 55943207 is 70234955.

It is not a de Polignac number, because 55943207 - 2² = 55943203 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 (55943203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50732 + ... + 51822.

It is an arithmetic number, because the mean of its divisors is an integer number (9530984).

Almost surely, 2^55943207 is an apocalyptic number.

55943207 is a deficient number, since it is larger than the sum of its proper divisors (1242697).

55943207 is an frugal number, since it uses more digits than its factorization.

55943207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55943207 is about 7479.5191690375. The cubic root of 55943207 is about 382.4568581641.

The spelling of 55943207 in words is "fifty-five million, nine hundred forty-three thousand, two hundred seven".