51546363 has 24 divisors (see below), whose sum is σ = 79997904. Its totient is φ = 29399040.

The previous prime is 51546361. The next prime is 51546367. The reversal of 51546363 is 36364515.

51546363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51546363 - 2¹ = 51546361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (51546361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (3333246).

Almost surely, 2^51546363 is an apocalyptic number.

51546363 is a deficient number, since it is larger than the sum of its proper divisors (28451541).

51546363 is a wasteful number, since it uses less digits than its factorization.

51546363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395 (or 8384 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 51546363 is about 7179.5795837918. The cubic root of 51546363 is about 372.1625561384.

The spelling of 51546363 in words is "fifty-one million, five hundred forty-six thousand, three hundred sixty-three".