51847016 has 32 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 23418048.

The previous prime is 51847013. The next prime is 51847057. The reversal of 51847016 is 61074815.

It is a happy number.

It is a super-2 number, since 2×51847016² = 5376226136208512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51847013) 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, 416 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^51847016 is an apocalyptic number.

It is an amenable number.

51847016 is an abundant number, since it is smaller than the sum of its proper divisors (55081624).

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

51847016 is a wasteful number, since it uses less digits than its factorization.

51847016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51847016 is about 7200.4872057382. The cubic root of 51847016 is about 372.8847212082.

The spelling of 51847016 in words is "fifty-one million, eight hundred forty-seven thousand, sixteen".