55745207 has 8 divisors (see below), whose sum is σ = 64477056. Its totient is φ = 47205432.

The previous prime is 55745201. The next prime is 55745213. The reversal of 55745207 is 70254755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55745201) and next prime (55745213).

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 55745207 - 2⁸ = 55744951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55745201) 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, 47393 + ... + 48554.

It is an arithmetic number, because the mean of its divisors is an integer number (8059632).

Almost surely, 2^55745207 is an apocalyptic number.

55745207 is a deficient number, since it is larger than the sum of its proper divisors (8731849).

55745207 is an equidigital number, since it uses as much as digits as its factorization.

55745207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96037.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 55745207 is about 7466.2712916154. The cubic root of 55745207 is about 382.0051144660.

The spelling of 55745207 in words is "fifty-five million, seven hundred forty-five thousand, two hundred seven".