51940371 has 32 divisors (see below), whose sum is σ = 84188160. Its totient is φ = 27840384.

The previous prime is 51940351. The next prime is 51940379. The reversal of 51940371 is 17304915.

It is not a de Polignac number, because 51940371 - 2⁶ = 51940307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51940379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24585 + ... + 26613.

It is an arithmetic number, because the mean of its divisors is an integer number (2630880).

Almost surely, 2^51940371 is an apocalyptic number.

51940371 is a deficient number, since it is larger than the sum of its proper divisors (32247789).

51940371 is a wasteful number, since it uses less digits than its factorization.

51940371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 51940371 is about 7206.9668377203. The cubic root of 51940371 is about 373.1083906593.

The spelling of 51940371 in words is "fifty-one million, nine hundred forty thousand, three hundred seventy-one".