51840592 has 10 divisors (see below), whose sum is σ = 100441178. Its totient is φ = 25920288.

The previous prime is 51840571. The next prime is 51840601. The reversal of 51840592 is 29504815.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 23580736 = 5316^2 + 4856^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620003 + ... + 1620034.

Almost surely, 2^51840592 is an apocalyptic number.

It is an amenable number.

51840592 is a deficient number, since it is larger than the sum of its proper divisors (48600586).

51840592 is a wasteful number, since it uses less digits than its factorization.

51840592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240045 (or 3240039 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 51840592 is about 7200.0411109937. The cubic root of 51840592 is about 372.8693200622.

The spelling of 51840592 in words is "fifty-one million, eight hundred forty thousand, five hundred ninety-two".