51461948 has 12 divisors (see below), whose sum is σ = 93974160. Its totient is φ = 24612192.

The previous prime is 51461947. The next prime is 51461951. The reversal of 51461948 is 84916415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51461947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279593 + ... + 279776.

It is an arithmetic number, because the mean of its divisors is an integer number (7831180).

Almost surely, 2^51461948 is an apocalyptic number.

It is an amenable number.

51461948 is a deficient number, since it is larger than the sum of its proper divisors (42512212).

51461948 is a wasteful number, since it uses less digits than its factorization.

51461948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559396 (or 559394 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 51461948 is about 7173.6983488296. The cubic root of 51461948 is about 371.9592875629.

The spelling of 51461948 in words is "fifty-one million, four hundred sixty-one thousand, nine hundred forty-eight".