51452450 has 36 divisors (see below), whose sum is σ = 111331602. Its totient is φ = 17640000.

The previous prime is 51452441. The next prime is 51452483. The reversal of 51452450 is 5425415.

It can be written as a sum of positive squares in 3 ways, for example, as 30813601 + 20638849 = 5551^2 + 4543^2 .

It is a super-2 number, since 2×51452450² = 5294709222005000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8051 + ... + 12950.

Almost surely, 2^51452450 is an apocalyptic number.

51452450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51452450 is an abundant number, since it is smaller than the sum of its proper divisors (59879152).

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

51452450 is a wasteful number, since it uses less digits than its factorization.

51452450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21027 (or 21015 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 51452450 is about 7173.0363166514. The cubic root of 51452450 is about 371.9364027789.

Adding to 51452450 its reverse (5425415), we get a palindrome (56877865).

The spelling of 51452450 in words is "fifty-one million, four hundred fifty-two thousand, four hundred fifty".