51154160 has 40 divisors (see below), whose sum is σ = 119240880. Its totient is φ = 20408832.

The previous prime is 51154157. The next prime is 51154163. The reversal of 51154160 is 6145115.

It is an interprime number because it is at equal distance from previous prime (51154157) and next prime (51154163).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51154163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49004 + ... + 50036.

It is an arithmetic number, because the mean of its divisors is an integer number (2981022).

Almost surely, 2^51154160 is an apocalyptic number.

It is an amenable number.

51154160 is an abundant number, since it is smaller than the sum of its proper divisors (68086720).

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

51154160 is a wasteful number, since it uses less digits than its factorization.

51154160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51154160 is about 7152.2136433415. The cubic root of 51154160 is about 371.2162556669.

Adding to 51154160 its reverse (6145115), we get a palindrome (57299275).

The spelling of 51154160 in words is "fifty-one million, one hundred fifty-four thousand, one hundred sixty".