5551963 has 4 divisors (see below), whose sum is σ = 5743440. Its totient is φ = 5360488.

The previous prime is 5551957. The next prime is 5551967. The reversal of 5551963 is 3691555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5551963 - 2¹³ = 5543771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95695 + ... + 95752.

It is an arithmetic number, because the mean of its divisors is an integer number (1435860).

Almost surely, 2^5551963 is an apocalyptic number.

5551963 is a deficient number, since it is larger than the sum of its proper divisors (191477).

5551963 is a wasteful number, since it uses less digits than its factorization.

5551963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191476.

The product of its digits is 20250, while the sum is 34.

The square root of 5551963 is about 2356.2603845925. The cubic root of 5551963 is about 177.0715766989.

The spelling of 5551963 in words is "five million, five hundred fifty-one thousand, nine hundred sixty-three".