55651433 has 8 divisors (see below), whose sum is σ = 57075840. Its totient is φ = 54244960.

The previous prime is 55651429. The next prime is 55651439. The reversal of 55651433 is 33415655.

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

It is a cyclic number.

It is not a de Polignac number, because 55651433 - 2² = 55651429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55651433.

It is not an unprimeable number, because it can be changed into a prime (55651439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (7134480).

Almost surely, 2^55651433 is an apocalyptic number.

It is an amenable number.

55651433 is a deficient number, since it is larger than the sum of its proper divisors (1424407).

55651433 is an equidigital number, since it uses as much as digits as its factorization.

55651433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967.

The product of its digits is 27000, while the sum is 32.

The square root of 55651433 is about 7459.9888069621. The cubic root of 55651433 is about 381.7907925845.

The spelling of 55651433 in words is "fifty-five million, six hundred fifty-one thousand, four hundred thirty-three".