51534406 has 32 divisors (see below), whose sum is σ = 97014528. Its totient is φ = 19945440.

The previous prime is 51534367. The next prime is 51534407. The reversal of 51534406 is 60443515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534407) 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, 24076 + ... + 26128.

It is an arithmetic number, because the mean of its divisors is an integer number (3031704).

Almost surely, 2^51534406 is an apocalyptic number.

51534406 is a deficient number, since it is larger than the sum of its proper divisors (45480122).

51534406 is a wasteful number, since it uses less digits than its factorization.

51534406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 51534406 is about 7178.7468265708. The cubic root of 51534406 is about 372.1337775687.

It can be divided in two parts, 5153 and 4406, that added together give a palindrome (9559).

The spelling of 51534406 in words is "fifty-one million, five hundred thirty-four thousand, four hundred six".