51548892 has 48 divisors (see below), whose sum is σ = 125314560. Its totient is φ = 16472512.

The previous prime is 51548891. The next prime is 51548923. The reversal of 51548892 is 29884515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51548891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57673 + ... + 58559.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^51548892 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 51548892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62657280).

51548892 is an abundant number, since it is smaller than the sum of its proper divisors (73765668).

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

51548892 is a wasteful number, since it uses less digits than its factorization.

51548892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 51548892 is about 7179.7557061505. The cubic root of 51548892 is about 372.1686424631.

The spelling of 51548892 in words is "fifty-one million, five hundred forty-eight thousand, eight hundred ninety-two".