51908054 has 16 divisors (see below), whose sum is σ = 85738176. Its totient is φ = 23373000.

The previous prime is 51908053. The next prime is 51908081. The reversal of 51908054 is 45080915.

It is a self number, because there is not a number n which added to its sum of digits gives 51908054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51908053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8672 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (5358636).

Almost surely, 2^51908054 is an apocalyptic number.

51908054 is a deficient number, since it is larger than the sum of its proper divisors (33830122).

51908054 is a wasteful number, since it uses less digits than its factorization.

51908054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22171.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 51908054 is about 7204.7244222107. The cubic root of 51908054 is about 373.0309926402.

Adding to 51908054 its reverse (45080915), we get a palindrome (96988969).

The spelling of 51908054 in words is "fifty-one million, nine hundred eight thousand, fifty-four".