51722627 has 8 divisors (see below), whose sum is σ = 56673840. Its totient is φ = 46812960.

The previous prime is 51722621. The next prime is 51722639. The reversal of 51722627 is 72622715.

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 51722627 - 2⁴ = 51722611 is a prime.

It is a super-2 number, since 2×51722627² = 5350460287562258, 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 = 51722593 and 51722602.

It is not an unprimeable number, because it can be changed into a prime (51722621) 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, 7748 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (7084230).

Almost surely, 2^51722627 is an apocalyptic number.

51722627 is a deficient number, since it is larger than the sum of its proper divisors (4951213).

51722627 is a wasteful number, since it uses less digits than its factorization.

51722627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773.

The product of its digits is 11760, while the sum is 32.

The square root of 51722627 is about 7191.8444782962. The cubic root of 51722627 is about 372.5862797303.

The spelling of 51722627 in words is "fifty-one million, seven hundred twenty-two thousand, six hundred twenty-seven".