51011434 has 8 divisors (see below), whose sum is σ = 76563108. Its totient is φ = 25490400.

The previous prime is 51011423. The next prime is 51011437. The reversal of 51011434 is 43411015.

It can be written as a sum of positive squares in 2 ways, for example, as 46280809 + 4730625 = 6803^2 + 2175^2 .

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 (51011437) 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, 2907 + ... + 10510.

Almost surely, 2^51011434 is an apocalyptic number.

51011434 is a deficient number, since it is larger than the sum of its proper divisors (25551674).

51011434 is a wasteful number, since it uses less digits than its factorization.

51011434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51011434 is about 7142.2289238024. The cubic root of 51011434 is about 370.8706887028.

Adding to 51011434 its reverse (43411015), we get a palindrome (94422449).

The spelling of 51011434 in words is "fifty-one million, eleven thousand, four hundred thirty-four".