55620435 has 48 divisors (see below), whose sum is σ = 99136224. Its totient is φ = 26597376.

The previous prime is 55620431. The next prime is 55620449. The reversal of 55620435 is 53402655.

55620435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55620435 - 2² = 55620431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55620431) 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 47 ways as a sum of consecutive naturals, for example, 93499 + ... + 94091.

It is an arithmetic number, because the mean of its divisors is an integer number (2065338).

Almost surely, 2^55620435 is an apocalyptic number.

55620435 is a deficient number, since it is larger than the sum of its proper divisors (43515789).

55620435 is a wasteful number, since it uses less digits than its factorization.

55620435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55620435 is about 7457.9109005136. The cubic root of 55620435 is about 381.7198932482.

The spelling of 55620435 in words is "fifty-five million, six hundred twenty thousand, four hundred thirty-five".