51536450 has 48 divisors (see below), whose sum is σ = 110201280. Its totient is φ = 17565120.

The previous prime is 51536437. The next prime is 51536479. The reversal of 51536450 is 5463515.

It is a super-3 number, since 3×51536450³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79829 + ... + 80471.

It is an arithmetic number, because the mean of its divisors is an integer number (2295860).

Almost surely, 2^51536450 is an apocalyptic number.

51536450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51536450 is an abundant number, since it is smaller than the sum of its proper divisors (58664830).

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

51536450 is a wasteful number, since it uses less digits than its factorization.

51536450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 51536450 is about 7178.8891898399. The cubic root of 51536450 is about 372.1386974623.

Adding to 51536450 its reverse (5463515), we get a palindrome (56999965).

The spelling of 51536450 in words is "fifty-one million, five hundred thirty-six thousand, four hundred fifty".