51929958 has 32 divisors (see below), whose sum is σ = 106536960. Its totient is φ = 16869600.

The previous prime is 51929953. The next prime is 51929959. The reversal of 51929958 is 85992915.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51929953) 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, 39963 + ... + 41241.

It is an arithmetic number, because the mean of its divisors is an integer number (3329280).

Almost surely, 2^51929958 is an apocalyptic number.

51929958 is an abundant number, since it is smaller than the sum of its proper divisors (54607002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51929958 is a wasteful number, since it uses less digits than its factorization.

51929958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 291600, while the sum is 48.

The square root of 51929958 is about 7206.2443755399. The cubic root of 51929958 is about 373.0834554162.

The spelling of 51929958 in words is "fifty-one million, nine hundred twenty-nine thousand, nine hundred fifty-eight".