51938367 has 16 divisors (see below), whose sum is σ = 76315008. Its totient is φ = 31217760.

The previous prime is 51938363. The next prime is 51938371. The reversal of 51938367 is 76383915.

It is an interprime number because it is at equal distance from previous prime (51938363) and next prime (51938371).

It is not a de Polignac number, because 51938367 - 2² = 51938363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51938363) 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, 13809 + ... + 17162.

It is an arithmetic number, because the mean of its divisors is an integer number (4769688).

Almost surely, 2^51938367 is an apocalyptic number.

51938367 is a deficient number, since it is larger than the sum of its proper divisors (24376641).

51938367 is a wasteful number, since it uses less digits than its factorization.

51938367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31030.

The product of its digits is 136080, while the sum is 42.

The square root of 51938367 is about 7206.8278042423. The cubic root of 51938367 is about 373.1035920873.

The spelling of 51938367 in words is "fifty-one million, nine hundred thirty-eight thousand, three hundred sixty-seven".