5161554 has 12 divisors (see below), whose sum is σ = 11183406. Its totient is φ = 1720512.

The previous prime is 5161553. The next prime is 5161561. The reversal of 5161554 is 4551615.

It is a happy number.

5161554 is a `hidden beast` number, since 51 + 61 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5130225 + 31329 = 2265^2 + 177^2 .

It is not an unprimeable number, because it can be changed into a prime (5161553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143359 + ... + 143394.

Almost surely, 2^5161554 is an apocalyptic number.

5161554 is an abundant number, since it is smaller than the sum of its proper divisors (6021852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161554 is a wasteful number, since it uses less digits than its factorization.

5161554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286761 (or 286758 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5161554 is about 2271.9053677475. The cubic root of 5161554 is about 172.8197974360.

The spelling of 5161554 in words is "five million, one hundred sixty-one thousand, five hundred fifty-four".