51133627 has 4 divisors (see below), whose sum is σ = 51203560. Its totient is φ = 51063696.

The previous prime is 51133609. The next prime is 51133633. The reversal of 51133627 is 72633115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51133627 - 2²³ = 42745019 is a prime.

It is a super-2 number, since 2×51133627² = 5229295620350258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51133595 and 51133604.

It is not an unprimeable number, because it can be changed into a prime (51133657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33858 + ... + 35335.

It is an arithmetic number, because the mean of its divisors is an integer number (12800890).

Almost surely, 2^51133627 is an apocalyptic number.

51133627 is a deficient number, since it is larger than the sum of its proper divisors (69933).

51133627 is an equidigital number, since it uses as much as digits as its factorization.

51133627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69932.

The product of its digits is 3780, while the sum is 28.

The square root of 51133627 is about 7150.7780695530. The cubic root of 51133627 is about 371.1665809618.

The spelling of 51133627 in words is "fifty-one million, one hundred thirty-three thousand, six hundred twenty-seven".