51089637 has 8 divisors (see below), whose sum is σ = 69960736. Its totient is φ = 33139152.

The previous prime is 51089617. The next prime is 51089653. The reversal of 51089637 is 73698015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51089637 - 2¹⁰ = 51088613 is a prime.

It is a super-2 number, since 2×51089637² = 5220302017583538, 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 = 51089595 and 51089604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51089617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230023 + ... + 230244.

It is an arithmetic number, because the mean of its divisors is an integer number (8745092).

Almost surely, 2^51089637 is an apocalyptic number.

It is an amenable number.

51089637 is a deficient number, since it is larger than the sum of its proper divisors (18871099).

51089637 is a wasteful number, since it uses less digits than its factorization.

51089637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460307.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 51089637 is about 7147.7015186702. The cubic root of 51089637 is about 371.0601128489.

The spelling of 51089637 in words is "fifty-one million, eighty-nine thousand, six hundred thirty-seven".