10551428 has 12 divisors (see below), whose sum is σ = 18741072. Its totient is φ = 5196840.

The previous prime is 10551421. The next prime is 10551467. The reversal of 10551428 is 82415501.

It is a super-2 number, since 2×10551428² = 222665265678368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10551397 and 10551406.

It is not an unprimeable number, because it can be changed into a prime (10551421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19418 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (1561756).

Almost surely, 2^10551428 is an apocalyptic number.

It is an amenable number.

10551428 is a deficient number, since it is larger than the sum of its proper divisors (8189644).

10551428 is a wasteful number, since it uses less digits than its factorization.

10551428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39442 (or 39440 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 10551428 is about 3248.2961687629. The cubic root of 10551428 is about 219.3328826919.

Adding to 10551428 its reverse (82415501), we get a palindrome (92966929).

The spelling of 10551428 in words is "ten million, five hundred fifty-one thousand, four hundred twenty-eight".