51541932 has 48 divisors (see below), whose sum is σ = 133993440. Its totient is φ = 15310848.

The previous prime is 51541913. The next prime is 51541949. The reversal of 51541932 is 23914515.

It is a self number, because there is not a number n which added to its sum of digits gives 51541932.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 10220.

It is an arithmetic number, because the mean of its divisors is an integer number (2791530).

Almost surely, 2^51541932 is an apocalyptic number.

51541932 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51541932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66996720).

51541932 is an abundant number, since it is smaller than the sum of its proper divisors (82451508).

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

51541932 is a wasteful number, since it uses less digits than its factorization.

51541932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442 (or 11440 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 51541932 is about 7179.2709936316. The cubic root of 51541932 is about 372.1518919554.

The spelling of 51541932 in words is "fifty-one million, five hundred forty-one thousand, nine hundred thirty-two".