51844260 has 48 divisors (see below), whose sum is σ = 156332736. Its totient is φ = 12761472.

The previous prime is 51844249. The next prime is 51844279. The reversal of 51844260 is 6244815.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32454 + ... + 34013.

It is an arithmetic number, because the mean of its divisors is an integer number (3256932).

Almost surely, 2^51844260 is an apocalyptic number.

It is an amenable number.

51844260 is an abundant number, since it is smaller than the sum of its proper divisors (104488476).

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

51844260 is a wasteful number, since it uses less digits than its factorization.

51844260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66492 (or 66490 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 51844260 is about 7200.2958272560. The cubic root of 51844260 is about 372.8781140230.

The spelling of 51844260 in words is "fifty-one million, eight hundred forty-four thousand, two hundred sixty".