51901412 has 12 divisors (see below), whose sum is σ = 90878256. Its totient is φ = 25936200.

The previous prime is 51901403. The next prime is 51901427. The reversal of 51901412 is 21410915.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10787 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (7573188).

Almost surely, 2^51901412 is an apocalyptic number.

It is an amenable number.

51901412 is a deficient number, since it is larger than the sum of its proper divisors (38976844).

51901412 is a wasteful number, since it uses less digits than its factorization.

51901412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 51901412 is about 7204.2634599243. The cubic root of 51901412 is about 373.0150813166.

The spelling of 51901412 in words is "fifty-one million, nine hundred one thousand, four hundred twelve".