5661154 has 4 divisors (see below), whose sum is σ = 8491734. Its totient is φ = 2830576.

The previous prime is 5661143. The next prime is 5661163. The reversal of 5661154 is 4511665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4511665 = 5 ⋅902333.

It can be written as a sum of positive squares in only one way, i.e., 5650129 + 11025 = 2377^2 + 105^2 .

It is a super-2 number, since 2×5661154² = 64097329223432, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1415287 + ... + 1415290.

Almost surely, 2^5661154 is an apocalyptic number.

5661154 is a deficient number, since it is larger than the sum of its proper divisors (2830580).

5661154 is a wasteful number, since it uses less digits than its factorization.

5661154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830579.

The product of its digits is 3600, while the sum is 28.

The square root of 5661154 is about 2379.3179695030. The cubic root of 5661154 is about 178.2248767463.

It can be divided in two parts, 56611 and 54, that added together give a palindrome (56665).

The spelling of 5661154 in words is "five million, six hundred sixty-one thousand, one hundred fifty-four".