51611848 has 8 divisors (see below), whose sum is σ = 96772230. Its totient is φ = 25805920.

The previous prime is 51611821. The next prime is 51611891. The reversal of 51611848 is 84811615.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49589764 + 2022084 = 7042^2 + 1422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225733 + ... + 3225748.

Almost surely, 2^51611848 is an apocalyptic number.

It is an amenable number.

51611848 is a deficient number, since it is larger than the sum of its proper divisors (45160382).

51611848 is a wasteful number, since it uses less digits than its factorization.

51611848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451487 (or 6451483 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 51611848 is about 7184.1386400876. The cubic root of 51611848 is about 372.3200890883.

It can be divided in two parts, 5161 and 1848, that multiplied together give a triangular number (9537528 = T₄₃₆₇).

The spelling of 51611848 in words is "fifty-one million, six hundred eleven thousand, eight hundred forty-eight".