51088449 has 8 divisors (see below), whose sum is σ = 69403392. Its totient is φ = 33416240.

The previous prime is 51088447. The next prime is 51088493. The reversal of 51088449 is 94488015.

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

It is a cyclic number.

It is not a de Polignac number, because 51088449 - 2¹ = 51088447 is a prime.

It is a super-2 number, since 2×51088449² = 5220059242451202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51088441) 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, 160497 + ... + 160814.

It is an arithmetic number, because the mean of its divisors is an integer number (8675424).

Almost surely, 2^51088449 is an apocalyptic number.

It is an amenable number.

51088449 is a deficient number, since it is larger than the sum of its proper divisors (18314943).

51088449 is a wasteful number, since it uses less digits than its factorization.

51088449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321367.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 51088449 is about 7147.6184145490. The cubic root of 51088449 is about 371.0572367090.

The spelling of 51088449 in words is "fifty-one million, eighty-eight thousand, four hundred forty-nine".