46855509 has 12 divisors (see below), whose sum is σ = 63968256. Its totient is φ = 30506952.

The previous prime is 46855489. The next prime is 46855537. The reversal of 46855509 is 90555864.

It is not a de Polignac number, because 46855509 - 2¹⁶ = 46789973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46855309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (5330688).

Almost surely, 2^46855509 is an apocalyptic number.

It is an amenable number.

46855509 is a deficient number, since it is larger than the sum of its proper divisors (17112747).

46855509 is an equidigital number, since it uses as much as digits as its factorization.

46855509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 8493 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 46855509 is about 6845.1083994339. The cubic root of 46855509 is about 360.5124107395.

The spelling of 46855509 in words is "forty-six million, eight hundred fifty-five thousand, five hundred nine".