51472550 has 24 divisors (see below), whose sum is σ = 98330016. Its totient is φ = 20031840.

The previous prime is 51472543. The next prime is 51472601. The reversal of 51472550 is 5527415.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12062 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (4097084).

Almost surely, 2^51472550 is an apocalyptic number.

51472550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51472550 is a deficient number, since it is larger than the sum of its proper divisors (46857466).

51472550 is a wasteful number, since it uses less digits than its factorization.

51472550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27872 (or 27867 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 51472550 is about 7174.4372601619. The cubic root of 51472550 is about 371.9848290341.

Adding to 51472550 its reverse (5527415), we get a palindrome (56999965).

The spelling of 51472550 in words is "fifty-one million, four hundred seventy-two thousand, five hundred fifty".