51627457 has 8 divisors (see below), whose sum is σ = 59400000. Its totient is φ = 43954224.

The previous prime is 51627439. The next prime is 51627461. The reversal of 51627457 is 75472615.

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 51627457 - 2¹⁵ = 51594689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51627467) 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, 23707 + ... + 25792.

It is an arithmetic number, because the mean of its divisors is an integer number (7425000).

Almost surely, 2^51627457 is an apocalyptic number.

It is an amenable number.

51627457 is a deficient number, since it is larger than the sum of its proper divisors (7772543).

51627457 is a wasteful number, since it uses less digits than its factorization.

51627457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49655.

The product of its digits is 58800, while the sum is 37.

The square root of 51627457 is about 7185.2249094931. The cubic root of 51627457 is about 372.3576189626.

The spelling of 51627457 in words is "fifty-one million, six hundred twenty-seven thousand, four hundred fifty-seven".