51912332 has 24 divisors (see below), whose sum is σ = 98217840. Its totient is φ = 23924160.

The previous prime is 51912331. The next prime is 51912353. The reversal of 51912332 is 23321915.

It is not an unprimeable number, because it can be changed into a prime (51912331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6419 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (4092410).

Almost surely, 2^51912332 is an apocalyptic number.

It is an amenable number.

51912332 is a deficient number, since it is larger than the sum of its proper divisors (46305508).

51912332 is a wasteful number, since it uses less digits than its factorization.

51912332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521 (or 18519 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 51912332 is about 7205.0213046181. The cubic root of 51912332 is about 373.0412401364.

The spelling of 51912332 in words is "fifty-one million, nine hundred twelve thousand, three hundred thirty-two".