51701960 has 16 divisors (see below), whose sum is σ = 116329500. Its totient is φ = 20680768.

The previous prime is 51701941. The next prime is 51701989. The reversal of 51701960 is 6910715.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49084036 + 2617924 = 7006^2 + 1618^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646235 + ... + 646314.

Almost surely, 2^51701960 is an apocalyptic number.

It is an amenable number.

51701960 is an abundant number, since it is smaller than the sum of its proper divisors (64627540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51701960 is a wasteful number, since it uses less digits than its factorization.

51701960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292560 (or 1292556 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 51701960 is about 7190.4074988835. The cubic root of 51701960 is about 372.5366478965.

The spelling of 51701960 in words is "fifty-one million, seven hundred one thousand, nine hundred sixty".