55955529 has 80 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 29756160.

The previous prime is 55955509. The next prime is 55955533. The reversal of 55955529 is 92555955.

It is a happy number.

55955529 is a `hidden beast` number, since 5 + 5 + 95 + 552 + 9 = 666.

It is not a de Polignac number, because 55955529 - 2¹³ = 55947337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55955509) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 674122 + ... + 674204.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^55955529 is an apocalyptic number.

It is an amenable number.

55955529 is a deficient number, since it is larger than the sum of its proper divisors (46497591).

55955529 is a wasteful number, since it uses less digits than its factorization.

55955529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 163 counting only the distinct ones).

The product of its digits is 506250, while the sum is 45.

The square root of 55955529 is about 7480.3428397367. The cubic root of 55955529 is about 382.4849359696.

The spelling of 55955529 in words is "fifty-five million, nine hundred fifty-five thousand, five hundred twenty-nine".