30551426 has 16 divisors (see below), whose sum is σ = 46930104. Its totient is φ = 14911104.

The previous prime is 30551419. The next prime is 30551453. The reversal of 30551426 is 62415503.

It can be written as a sum of positive squares in 4 ways, for example, as 27825625 + 2725801 = 5275^2 + 1651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30551395 and 30551404.

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 in 7 ways as a sum of consecutive naturals, for example, 24080 + ... + 25316.

Almost surely, 2^30551426 is an apocalyptic number.

30551426 is a deficient number, since it is larger than the sum of its proper divisors (16378678).

30551426 is a wasteful number, since it uses less digits than its factorization.

30551426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30551426 is about 5527.3344389498. The cubic root of 30551426 is about 312.6154913923.

Adding to 30551426 its reverse (62415503), we get a palindrome (92966929).

The spelling of 30551426 in words is "thirty million, five hundred fifty-one thousand, four hundred twenty-six".