51550374 has 32 divisors (see below), whose sum is σ = 104952960. Its totient is φ = 16877952.

The previous prime is 51550349. The next prime is 51550379. The reversal of 51550374 is 47305515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550379) 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, 93969 + ... + 94515.

It is an arithmetic number, because the mean of its divisors is an integer number (3279780).

Almost surely, 2^51550374 is an apocalyptic number.

51550374 is an abundant number, since it is smaller than the sum of its proper divisors (53402586).

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

51550374 is a wasteful number, since it uses less digits than its factorization.

51550374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 51550374 is about 7179.8589122628. The cubic root of 51550374 is about 372.1722089714.

Adding to 51550374 its reverse (47305515), we get a palindrome (98855889).

The spelling of 51550374 in words is "fifty-one million, five hundred fifty thousand, three hundred seventy-four".