51611374 has 16 divisors (see below), whose sum is σ = 81453456. Its totient is φ = 24494400.

The previous prime is 51611363. The next prime is 51611377. The reversal of 51611374 is 47311615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51611377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5472 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (5090841).

Almost surely, 2^51611374 is an apocalyptic number.

51611374 is a deficient number, since it is larger than the sum of its proper divisors (29842082).

51611374 is a wasteful number, since it uses less digits than its factorization.

51611374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17091.

The product of its digits is 2520, while the sum is 28.

The square root of 51611374 is about 7184.1056506708. The cubic root of 51611374 is about 372.3189492966.

Adding to 51611374 its reverse (47311615), we get a palindrome (98922989).

The spelling of 51611374 in words is "fifty-one million, six hundred eleven thousand, three hundred seventy-four".