55651305 has 16 divisors (see below), whose sum is σ = 89251200. Its totient is φ = 29611008.

The previous prime is 55651301. The next prime is 55651307. The reversal of 55651305 is 50315655.

It is not a de Polignac number, because 55651305 - 2² = 55651301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55651301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (5578200).

Almost surely, 2^55651305 is an apocalyptic number.

It is an amenable number.

55651305 is a deficient number, since it is larger than the sum of its proper divisors (33599895).

55651305 is a wasteful number, since it uses less digits than its factorization.

55651305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55651305 is about 7459.9802278558. The cubic root of 55651305 is about 381.7904998742.

The spelling of 55651305 in words is "fifty-five million, six hundred fifty-one thousand, three hundred five".