55371707 has 4 divisors (see below), whose sum is σ = 56038920. Its totient is φ = 54704496.

The previous prime is 55371683. The next prime is 55371709. The reversal of 55371707 is 70717355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55371707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55371709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333482 + ... + 333647.

It is an arithmetic number, because the mean of its divisors is an integer number (14009730).

Almost surely, 2^55371707 is an apocalyptic number.

55371707 is a deficient number, since it is larger than the sum of its proper divisors (667213).

55371707 is an equidigital number, since it uses as much as digits as its factorization.

55371707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667212.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 55371707 is about 7441.2167687818. The cubic root of 55371707 is about 381.1500409088.

The spelling of 55371707 in words is "fifty-five million, three hundred seventy-one thousand, seven hundred seven".