51161150 has 24 divisors (see below), whose sum is σ = 95410560. Its totient is φ = 20410560.

The previous prime is 51161141. The next prime is 51161207. The reversal of 51161150 is 5116115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21731 + ... + 23969.

It is an arithmetic number, because the mean of its divisors is an integer number (3975440).

Almost surely, 2^51161150 is an apocalyptic number.

51161150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51161150 is a deficient number, since it is larger than the sum of its proper divisors (44249410).

51161150 is a wasteful number, since it uses less digits than its factorization.

51161150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 51161150 is about 7152.7022865488. The cubic root of 51161150 is about 371.2331632749.

Adding to 51161150 its reverse (5116115), we get a palindrome (56277265).

The spelling of 51161150 in words is "fifty-one million, one hundred sixty-one thousand, one hundred fifty".