51140354 has 8 divisors (see below), whose sum is σ = 76758780. Its totient is φ = 25554096.

The previous prime is 51140351. The next prime is 51140393. The reversal of 51140354 is 45304115.

It can be written as a sum of positive squares in 2 ways, for example, as 50737129 + 403225 = 7123^2 + 635^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51140351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569 + ... + 10724.

Almost surely, 2^51140354 is an apocalyptic number.

51140354 is a deficient number, since it is larger than the sum of its proper divisors (25618426).

51140354 is a wasteful number, since it uses less digits than its factorization.

51140354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16084.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51140354 is about 7151.2484224784. The cubic root of 51140354 is about 371.1828568012.

Adding to 51140354 its reverse (45304115), we get a palindrome (96444469).

The spelling of 51140354 in words is "fifty-one million, one hundred forty thousand, three hundred fifty-four".