55907499 has 8 divisors (see below), whose sum is σ = 74807872. Its totient is φ = 37139400.

The previous prime is 55907497. The next prime is 55907507. The reversal of 55907499 is 99470955.

55907499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55907499 - 2¹ = 55907497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55907491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32077 + ... + 33774.

It is an arithmetic number, because the mean of its divisors is an integer number (9350984).

Almost surely, 2^55907499 is an apocalyptic number.

55907499 is a deficient number, since it is larger than the sum of its proper divisors (18900373).

55907499 is a wasteful number, since it uses less digits than its factorization.

55907499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66137.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 55907499 is about 7477.1317361673. The cubic root of 55907499 is about 382.3754680251.

The spelling of 55907499 in words is "fifty-five million, nine hundred seven thousand, four hundred ninety-nine".