51121354 has 8 divisors (see below), whose sum is σ = 76712580. Its totient is φ = 25550496.

The previous prime is 51121339. The next prime is 51121361. The reversal of 51121354 is 45312115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32433025 + 18688329 = 5695^2 + 4323^2 .

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

It is a super-2 number, since 2×51121354² = 5226785669586632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6142 + ... + 11830.

Almost surely, 2^51121354 is an apocalyptic number.

51121354 is a deficient number, since it is larger than the sum of its proper divisors (25591226).

51121354 is a wasteful number, since it uses less digits than its factorization.

51121354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184.

The product of its digits is 600, while the sum is 22.

The square root of 51121354 is about 7149.9198596907. The cubic root of 51121354 is about 371.1368830102.

Adding to 51121354 its reverse (45312115), we get a palindrome (96433469).

The spelling of 51121354 in words is "fifty-one million, one hundred twenty-one thousand, three hundred fifty-four".