51546120 has 32 divisors (see below), whose sum is σ = 154638720. Its totient is φ = 13745600.

The previous prime is 51546109. The next prime is 51546133. The reversal of 51546120 is 2164515.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214656 + ... + 214895.

It is an arithmetic number, because the mean of its divisors is an integer number (4832460).

Almost surely, 2^51546120 is an apocalyptic number.

It is an amenable number.

51546120 is an abundant number, since it is smaller than the sum of its proper divisors (103092600).

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

51546120 is a wasteful number, since it uses less digits than its factorization.

51546120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429565 (or 429561 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51546120 is about 7179.5626607754. The cubic root of 51546120 is about 372.1619713209.

The spelling of 51546120 in words is "fifty-one million, five hundred forty-six thousand, one hundred twenty".