51400535 has 8 divisors (see below), whose sum is σ = 61940160. Its totient is φ = 40947424.

The previous prime is 51400507. The next prime is 51400577. The reversal of 51400535 is 53500415.

51400535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51400535 - 2⁶ = 51400471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51400535.

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 in 7 ways as a sum of consecutive naturals, for example, 20312 + ... + 22701.

It is an arithmetic number, because the mean of its divisors is an integer number (7742520).

Almost surely, 2^51400535 is an apocalyptic number.

51400535 is a deficient number, since it is larger than the sum of its proper divisors (10539625).

51400535 is a wasteful number, since it uses less digits than its factorization.

51400535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43257.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51400535 is about 7169.4166429355. The cubic root of 51400535 is about 371.8112673305.

The spelling of 51400535 in words is "fifty-one million, four hundred thousand, five hundred thirty-five".