51652005 has 16 divisors (see below), whose sum is σ = 84659904. Its totient is φ = 26875520.

The previous prime is 51651973. The next prime is 51652009. The reversal of 51652005 is 50025615.

It is not a de Polignac number, because 51652005 - 2⁵ = 51651973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51652009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41379 + ... + 42608.

It is an arithmetic number, because the mean of its divisors is an integer number (5291244).

Almost surely, 2^51652005 is an apocalyptic number.

It is an amenable number.

51652005 is a deficient number, since it is larger than the sum of its proper divisors (33007899).

51652005 is a wasteful number, since it uses less digits than its factorization.

51652005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84036.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51652005 is about 7186.9329341521. The cubic root of 51652005 is about 372.4166262364.

The spelling of 51652005 in words is "fifty-one million, six hundred fifty-two thousand, five".