55564763 has 8 divisors (see below), whose sum is σ = 56927232. Its totient is φ = 54209896.

The previous prime is 55564739. The next prime is 55564793. The reversal of 55564763 is 36746555.

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 55564763 - 2¹⁸ = 55302619 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 55564763.

It is not an unprimeable number, because it can be changed into a prime (55564703) 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, 14606 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (7115904).

Almost surely, 2^55564763 is an apocalyptic number.

55564763 is a deficient number, since it is larger than the sum of its proper divisors (1362469).

55564763 is a wasteful number, since it uses less digits than its factorization.

55564763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its digits is 378000, while the sum is 41.

The square root of 55564763 is about 7454.1775535602. The cubic root of 55564763 is about 381.5924928056.

The spelling of 55564763 in words is "fifty-five million, five hundred sixty-four thousand, seven hundred sixty-three".