55737563 has 8 divisors (see below), whose sum is σ = 63817728. Its totient is φ = 47686824.

The previous prime is 55737553. The next prime is 55737587. The reversal of 55737563 is 36573755.

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 55737563 - 2⁸ = 55737307 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 55737563.

It is not an unprimeable number, because it can be changed into a prime (55737553) 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, 3131 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (7977216).

Almost surely, 2^55737563 is an apocalyptic number.

55737563 is a deficient number, since it is larger than the sum of its proper divisors (8080165).

55737563 is a wasteful number, since it uses less digits than its factorization.

55737563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713.

The product of its digits is 330750, while the sum is 41.

The square root of 55737563 is about 7465.7593719594. The cubic root of 55737563 is about 381.9876529913.

The spelling of 55737563 in words is "fifty-five million, seven hundred thirty-seven thousand, five hundred sixty-three".