51556076 has 48 divisors (see below), whose sum is σ = 106813728. Its totient is φ = 21465600.

The previous prime is 51556061. The next prime is 51556079. The reversal of 51556076 is 67065515.

It is not an unprimeable number, because it can be changed into a prime (51556079) 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, 98696 + ... + 99216.

It is an arithmetic number, because the mean of its divisors is an integer number (2225286).

Almost surely, 2^51556076 is an apocalyptic number.

It is an amenable number.

51556076 is an abundant number, since it is smaller than the sum of its proper divisors (55257652).

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

51556076 is a wasteful number, since it uses less digits than its factorization.

51556076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 51556076 is about 7180.2559842947. The cubic root of 51556076 is about 372.1859304864.

The spelling of 51556076 in words is "fifty-one million, five hundred fifty-six thousand, seventy-six".