51550914 has 16 divisors (see below), whose sum is σ = 108528480. Its totient is φ = 16279200.

The previous prime is 51550913. The next prime is 51550931. The reversal of 51550914 is 41905515.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51550913) 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 7 ways as a sum of consecutive naturals, for example, 225987 + ... + 226214.

It is an arithmetic number, because the mean of its divisors is an integer number (6783030).

Almost surely, 2^51550914 is an apocalyptic number.

51550914 is an abundant number, since it is smaller than the sum of its proper divisors (56977566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51550914 is a wasteful number, since it uses less digits than its factorization.

51550914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452225.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 51550914 is about 7179.8965173601. The cubic root of 51550914 is about 372.1735084918.

The spelling of 51550914 in words is "fifty-one million, five hundred fifty thousand, nine hundred fourteen".