51958790 has 32 divisors (see below), whose sum is σ = 103977216. Its totient is φ = 18564480.

The previous prime is 51958717. The next prime is 51958793. The reversal of 51958790 is 9785915.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51958793) 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, 2417 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (3249288).

Almost surely, 2^51958790 is an apocalyptic number.

51958790 is an abundant number, since it is smaller than the sum of its proper divisors (52018426).

51958790 is a wasteful number, since it uses less digits than its factorization.

51958790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 51958790 is about 7208.2445851955. The cubic root of 51958790 is about 373.1524891202.

The spelling of 51958790 in words is "fifty-one million, nine hundred fifty-eight thousand, seven hundred ninety".