51844884 has 96 divisors (see below), whose sum is σ = 150264576. Its totient is φ = 13547520.

The previous prime is 51844879. The next prime is 51844907. The reversal of 51844884 is 48844815.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215004 + ... + 215244.

It is an arithmetic number, because the mean of its divisors is an integer number (1565256).

Almost surely, 2^51844884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51844884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75132288).

51844884 is an abundant number, since it is smaller than the sum of its proper divisors (98419692).

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

51844884 is a wasteful number, since it uses less digits than its factorization.

51844884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 463 counting only the distinct ones).

The product of its digits is 163840, while the sum is 42.

The square root of 51844884 is about 7200.3391586786. The cubic root of 51844884 is about 372.8796100100.

The spelling of 51844884 in words is "fifty-one million, eight hundred forty-four thousand, eight hundred eighty-four".