51550671 has 8 divisors (see below), whose sum is σ = 69760384. Its totient is φ = 33854040.

The previous prime is 51550649. The next prime is 51550693. The reversal of 51550671 is 17605515.

It is an interprime number because it is at equal distance from previous prime (51550649) and next prime (51550693).

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

It is not a de Polignac number, because 51550671 - 2⁹ = 51550159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550621) 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, 128035 + ... + 128436.

It is an arithmetic number, because the mean of its divisors is an integer number (8720048).

Almost surely, 2^51550671 is an apocalyptic number.

51550671 is a deficient number, since it is larger than the sum of its proper divisors (18209713).

51550671 is a wasteful number, since it uses less digits than its factorization.

51550671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256541.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 51550671 is about 7179.8795950907. The cubic root of 51550671 is about 372.1729237087.

The spelling of 51550671 in words is "fifty-one million, five hundred fifty thousand, six hundred seventy-one".