51140553 has 8 divisors (see below), whose sum is σ = 68258400. Its totient is φ = 34058208.

The previous prime is 51140491. The next prime is 51140563. The reversal of 51140553 is 35504115.

51140553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51140553 - 2¹² = 51136457 is a prime.

It is a super-2 number, since 2×51140553² = 5230712322291618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51140563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5308 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (8532300).

Almost surely, 2^51140553 is an apocalyptic number.

It is an amenable number.

51140553 is a deficient number, since it is larger than the sum of its proper divisors (17117847).

51140553 is a wasteful number, since it uses less digits than its factorization.

51140553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17751.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51140553 is about 7151.2623361194. The cubic root of 51140553 is about 371.1833382560.

Adding to 51140553 its reverse (35504115), we get a palindrome (86644668).

The spelling of 51140553 in words is "fifty-one million, one hundred forty thousand, five hundred fifty-three".