51798711 has 8 divisors (see below), whose sum is σ = 73127664. Its totient is φ = 32501120.

The previous prime is 51798701. The next prime is 51798713. The reversal of 51798711 is 11789715.

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 51798711 - 2⁶ = 51798647 is a prime.

It is a super-2 number, since 2×51798711² = 5366212922523042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51798711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51798713) 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, 507780 + ... + 507881.

It is an arithmetic number, because the mean of its divisors is an integer number (9140958).

Almost surely, 2^51798711 is an apocalyptic number.

51798711 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51798711 is a deficient number, since it is larger than the sum of its proper divisors (21328953).

51798711 is a wasteful number, since it uses less digits than its factorization.

51798711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015681.

The product of its digits is 17640, while the sum is 39.

The square root of 51798711 is about 7197.1321371780. The cubic root of 51798711 is about 372.7688817338.

The spelling of 51798711 in words is "fifty-one million, seven hundred ninety-eight thousand, seven hundred eleven".