55650457 has 8 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 54858864.

The previous prime is 55650443. The next prime is 55650473. The reversal of 55650457 is 75405655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55650457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55650857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19368 + ... + 22054.

It is an arithmetic number, because the mean of its divisors is an integer number (7056000).

Almost surely, 2^55650457 is an apocalyptic number.

It is an amenable number.

55650457 is a deficient number, since it is larger than the sum of its proper divisors (797543).

55650457 is a wasteful number, since it uses less digits than its factorization.

55650457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 55650457 is about 7459.9233910276. The cubic root of 55650457 is about 381.7885606564.

The spelling of 55650457 in words is "fifty-five million, six hundred fifty thousand, four hundred fifty-seven".