51842632 has 8 divisors (see below), whose sum is σ = 97204950. Its totient is φ = 25921312.

The previous prime is 51842627. The next prime is 51842641. The reversal of 51842632 is 23624815.

It can be written as a sum of positive squares in only one way, i.e., 50893956 + 948676 = 7134^2 + 974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51842594 and 51842603.

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 as a sum of consecutive naturals, namely, 3240157 + ... + 3240172.

Almost surely, 2^51842632 is an apocalyptic number.

It is an amenable number.

51842632 is a deficient number, since it is larger than the sum of its proper divisors (45362318).

51842632 is a wasteful number, since it uses less digits than its factorization.

51842632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480335 (or 6480331 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 51842632 is about 7200.1827754579. The cubic root of 51842632 is about 372.8742109749.

The spelling of 51842632 in words is "fifty-one million, eight hundred forty-two thousand, six hundred thirty-two".