55130426 has 32 divisors (see below), whose sum is σ = 91869120. Its totient is φ = 24655104.

The previous prime is 55130423. The next prime is 55130443. The reversal of 55130426 is 62403155.

55130426 = 361² + 362² + ... + 596².

55130426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 55130395 and 55130404.

It is not an unprimeable number, because it can be changed into a prime (55130423) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 127106 + ... + 127538.

It is an arithmetic number, because the mean of its divisors is an integer number (2870910).

Almost surely, 2^55130426 is an apocalyptic number.

55130426 is a deficient number, since it is larger than the sum of its proper divisors (36738694).

55130426 is a wasteful number, since it uses less digits than its factorization.

55130426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

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

The square root of 55130426 is about 7424.9865993145. The cubic root of 55130426 is about 380.5956171803.

The spelling of 55130426 in words is "fifty-five million, one hundred thirty thousand, four hundred twenty-six".