51626603 has 16 divisors (see below), whose sum is σ = 62700480. Its totient is φ = 41496576.

The previous prime is 51626599. The next prime is 51626609. The reversal of 51626603 is 30662615.

51626603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51626603 - 2² = 51626599 is a prime.

It is a super-2 number, since 2×51626603² = 5330612274639218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51626609) 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, 41393 + ... + 42621.

It is an arithmetic number, because the mean of its divisors is an integer number (3918780).

Almost surely, 2^51626603 is an apocalyptic number.

51626603 is a deficient number, since it is larger than the sum of its proper divisors (11073877).

51626603 is a wasteful number, since it uses less digits than its factorization.

51626603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 51626603 is about 7185.1654817408. The cubic root of 51626603 is about 372.3555658228.

The spelling of 51626603 in words is "fifty-one million, six hundred twenty-six thousand, six hundred three".