51677552 has 40 divisors (see below), whose sum is σ = 106528896. Its totient is φ = 24201216.

The previous prime is 51677551. The next prime is 51677599. The reversal of 51677552 is 25577615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84833 + ... + 85439.

Almost surely, 2^51677552 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 51677552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53264448).

51677552 is an abundant number, since it is smaller than the sum of its proper divisors (54851344).

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

51677552 is a wasteful number, since it uses less digits than its factorization.

51677552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 939 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 51677552 is about 7188.7100372737. The cubic root of 51677552 is about 372.4780150080.

The spelling of 51677552 in words is "fifty-one million, six hundred seventy-seven thousand, five hundred fifty-two".