51195948 has 12 divisors (see below), whose sum is σ = 119457240. Its totient is φ = 17065312.

The previous prime is 51195919. The next prime is 51195983. The reversal of 51195948 is 84959115.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2133153 + ... + 2133176.

It is an arithmetic number, because the mean of its divisors is an integer number (9954770).

Almost surely, 2^51195948 is an apocalyptic number.

It is an amenable number.

51195948 is an abundant number, since it is smaller than the sum of its proper divisors (68261292).

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

51195948 is a wasteful number, since it uses less digits than its factorization.

51195948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266336 (or 4266334 counting only the distinct ones).

The product of its digits is 64800, while the sum is 42.

The square root of 51195948 is about 7155.1343802894. The cubic root of 51195948 is about 371.3173107442.

The spelling of 51195948 in words is "fifty-one million, one hundred ninety-five thousand, nine hundred forty-eight".