51727495 has 16 divisors (see below), whose sum is σ = 64880640. Its totient is φ = 39551904.

The previous prime is 51727493. The next prime is 51727513. The reversal of 51727495 is 59472715.

51727495 = 1026² + 1027² + ... + 1072².

It is a cyclic number.

It is not a de Polignac number, because 51727495 - 2¹ = 51727493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51727493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7546 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (4055040).

Almost surely, 2^51727495 is an apocalyptic number.

51727495 is a deficient number, since it is larger than the sum of its proper divisors (13153145).

51727495 is a wasteful number, since it uses less digits than its factorization.

51727495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214.

The product of its digits is 88200, while the sum is 40.

The square root of 51727495 is about 7192.1829092425. The cubic root of 51727495 is about 372.5979683162.

The spelling of 51727495 in words is "fifty-one million, seven hundred twenty-seven thousand, four hundred ninety-five".