51963530 has 16 divisors (see below), whose sum is σ = 93795840. Its totient is φ = 20727312.

The previous prime is 51963511. The next prime is 51963547. The reversal of 51963530 is 3536915.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (5862240).

Almost surely, 2^51963530 is an apocalyptic number.

51963530 is a deficient number, since it is larger than the sum of its proper divisors (41832310).

51963530 is a wasteful number, since it uses less digits than its factorization.

51963530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 51963530 is about 7208.5733678725. The cubic root of 51963530 is about 373.1638358626.

The spelling of 51963530 in words is "fifty-one million, nine hundred sixty-three thousand, five hundred thirty".