51939063 has 64 divisors (see below), whose sum is σ = 90685440. Its totient is φ = 29393280.

The previous prime is 51939053. The next prime is 51939067. The reversal of 51939063 is 36093915.

It is not a de Polignac number, because 51939063 - 2¹³ = 51930871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51939067) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 408906 + ... + 409032.

It is an arithmetic number, because the mean of its divisors is an integer number (1416960).

Almost surely, 2^51939063 is an apocalyptic number.

51939063 is a deficient number, since it is larger than the sum of its proper divisors (38746377).

51939063 is a wasteful number, since it uses less digits than its factorization.

51939063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 51939063 is about 7206.8760916225. The cubic root of 51939063 is about 373.1052586712.

The spelling of 51939063 in words is "fifty-one million, nine hundred thirty-nine thousand, sixty-three".