55659501 has 32 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 35910000.

The previous prime is 55659437. The next prime is 55659521. The reversal of 55659501 is 10595655.

55659501 is a `hidden beast` number, since 5 + 565 + 95 + 0 + 1 = 666.

It is not a de Polignac number, because 55659501 - 2⁶ = 55659437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55659521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221626 + ... + 221876.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^55659501 is an apocalyptic number.

It is an amenable number.

55659501 is a deficient number, since it is larger than the sum of its proper divisors (29496339).

55659501 is a wasteful number, since it uses less digits than its factorization.

55659501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The square root of 55659501 is about 7460.5295388464. The cubic root of 55659501 is about 381.8092415810.

The spelling of 55659501 in words is "fifty-five million, six hundred fifty-nine thousand, five hundred one".