5551497 has 20 divisors (see below), whose sum is σ = 9478656. Its totient is φ = 3171960.

The previous prime is 5551489. The next prime is 5551501. The reversal of 5551497 is 7941555.

5551497 is a `hidden beast` number, since 55 + 514 + 97 = 666.

It is not a de Polignac number, because 5551497 - 2³ = 5551489 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5551417) 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 19 ways as a sum of consecutive naturals, for example, 4329 + ... + 5462.

Almost surely, 2^5551497 is an apocalyptic number.

It is an amenable number.

5551497 is a deficient number, since it is larger than the sum of its proper divisors (3927159).

5551497 is an equidigital number, since it uses as much as digits as its factorization.

5551497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810 (or 9801 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 5551497 is about 2356.1614970116. The cubic root of 5551497 is about 177.0666224354.

It can be divided in two parts, 55514 and 97, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 5551497 in words is "five million, five hundred fifty-one thousand, four hundred ninety-seven".