51601150 has 48 divisors (see below), whose sum is σ = 104569200. Its totient is φ = 18869760.

The previous prime is 51601129. The next prime is 51601153. The reversal of 51601150 is 5110615.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51601153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26614 + ... + 28486.

It is an arithmetic number, because the mean of its divisors is an integer number (2178525).

Almost surely, 2^51601150 is an apocalyptic number.

51601150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51601150 is an abundant number, since it is smaller than the sum of its proper divisors (52968050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51601150 is a wasteful number, since it uses less digits than its factorization.

51601150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 51601150 is about 7183.3940446004. The cubic root of 51601150 is about 372.2943627244.

Adding to 51601150 its reverse (5110615), we get a palindrome (56711765).

It can be divided in two parts, 5 and 1601150, that added together give a triangular number (1601155 = T₁₇₈₉).

The spelling of 51601150 in words is "fifty-one million, six hundred one thousand, one hundred fifty".