51652534 has 4 divisors (see below), whose sum is σ = 77478804. Its totient is φ = 25826266.

The previous prime is 51652499. The next prime is 51652547. The reversal of 51652534 is 43525615.

51652534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 51652496 and 51652505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12913132 + ... + 12913135.

It is an arithmetic number, because the mean of its divisors is an integer number (19369701).

Almost surely, 2^51652534 is an apocalyptic number.

51652534 is a deficient number, since it is larger than the sum of its proper divisors (25826270).

51652534 is a wasteful number, since it uses less digits than its factorization.

51652534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25826269.

The product of its digits is 18000, while the sum is 31.

The square root of 51652534 is about 7186.9697369615. The cubic root of 51652534 is about 372.4178976147.

The spelling of 51652534 in words is "fifty-one million, six hundred fifty-two thousand, five hundred thirty-four".