51675567 has 8 divisors (see below), whose sum is σ = 69210624. Its totient is φ = 34295448.

The previous prime is 51675553. The next prime is 51675571. The reversal of 51675567 is 76557615.

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

It is not a de Polignac number, because 51675567 - 2¹⁴ = 51659183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51675067) 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, 37953 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (8651328).

Almost surely, 2^51675567 is an apocalyptic number.

51675567 is a deficient number, since it is larger than the sum of its proper divisors (17535057).

51675567 is a wasteful number, since it uses less digits than its factorization.

51675567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77469.

The product of its digits is 220500, while the sum is 42.

The square root of 51675567 is about 7188.5719722348. The cubic root of 51675567 is about 372.4732458301.

The spelling of 51675567 in words is "fifty-one million, six hundred seventy-five thousand, five hundred sixty-seven".