5651428 has 6 divisors (see below), whose sum is σ = 9890006. Its totient is φ = 2825712.

The previous prime is 5651413. The next prime is 5651431. The reversal of 5651428 is 8241565.

It can be written as a sum of positive squares in only one way, i.e., 5484964 + 166464 = 2342^2 + 408^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5651428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706425 + ... + 706432.

Almost surely, 2^5651428 is an apocalyptic number.

It is an amenable number.

5651428 is a deficient number, since it is larger than the sum of its proper divisors (4238578).

5651428 is a wasteful number, since it uses less digits than its factorization.

5651428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412861 (or 1412859 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 5651428 is about 2377.2732278811. The cubic root of 5651428 is about 178.1227533522.

The spelling of 5651428 in words is "five million, six hundred fifty-one thousand, four hundred twenty-eight".