51948422 has 4 divisors (see below), whose sum is σ = 77922636. Its totient is φ = 25974210.

The previous prime is 51948409. The next prime is 51948431. The reversal of 51948422 is 22484915.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987104 + ... + 12987107.

It is an arithmetic number, because the mean of its divisors is an integer number (19480659).

Almost surely, 2^51948422 is an apocalyptic number.

51948422 is a deficient number, since it is larger than the sum of its proper divisors (25974214).

51948422 is a wasteful number, since it uses less digits than its factorization.

51948422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25974213.

The product of its digits is 23040, while the sum is 35.

The square root of 51948422 is about 7207.5253728308. The cubic root of 51948422 is about 373.1276675108.

The spelling of 51948422 in words is "fifty-one million, nine hundred forty-eight thousand, four hundred twenty-two".