51711470 has 16 divisors (see below), whose sum is σ = 93502080. Its totient is φ = 20590944.

The previous prime is 51711461. The next prime is 51711487. The reversal of 51711470 is 7411715.

It is a super-2 number, since 2×51711470² = 5348152259121800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9365 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (5843880).

Almost surely, 2^51711470 is an apocalyptic number.

51711470 is a deficient number, since it is larger than the sum of its proper divisors (41790610).

51711470 is a wasteful number, since it uses less digits than its factorization.

51711470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23419.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51711470 is about 7191.0687661849. The cubic root of 51711470 is about 372.5594878193.

The spelling of 51711470 in words is "fifty-one million, seven hundred eleven thousand, four hundred seventy".