51927948 has 36 divisors (see below), whose sum is σ = 133227640. Its totient is φ = 17050176.

The previous prime is 51927947. The next prime is 51927949. The reversal of 51927948 is 84972915.

It is an interprime number because it is at equal distance from previous prime (51927947) and next prime (51927949).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (51927943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8353 + ... + 13176.

Almost surely, 2^51927948 is an apocalyptic number.

It is an amenable number.

51927948 is an abundant number, since it is smaller than the sum of its proper divisors (81299692).

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

51927948 is a wasteful number, since it uses less digits than its factorization.

51927948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 21601 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 51927948 is about 7206.1049118092. The cubic root of 51927948 is about 373.0786418336.

The spelling of 51927948 in words is "fifty-one million, nine hundred twenty-seven thousand, nine hundred forty-eight".