51652479 has 16 divisors (see below), whose sum is σ = 71321600. Its totient is φ = 33216480.

The previous prime is 51652459. The next prime is 51652499. The reversal of 51652479 is 97425615.

It is an interprime number because it is at equal distance from previous prime (51652459) and next prime (51652499).

It is not a de Polignac number, because 51652479 - 2⁷ = 51652351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51652439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36222 + ... + 37620.

It is an arithmetic number, because the mean of its divisors is an integer number (4457600).

Almost surely, 2^51652479 is an apocalyptic number.

51652479 is a deficient number, since it is larger than the sum of its proper divisors (19669121).

51652479 is a wasteful number, since it uses less digits than its factorization.

51652479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its digits is 75600, while the sum is 39.

The square root of 51652479 is about 7186.9659105912. The cubic root of 51652479 is about 372.4177654302.

The spelling of 51652479 in words is "fifty-one million, six hundred fifty-two thousand, four hundred seventy-nine".