51526648 has 8 divisors (see below), whose sum is σ = 96612480. Its totient is φ = 25763320.

The previous prime is 51526633. The next prime is 51526663. The reversal of 51526648 is 84662515.

It is an interprime number because it is at equal distance from previous prime (51526633) and next prime (51526663).

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

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, 3220408 + ... + 3220423.

It is an arithmetic number, because the mean of its divisors is an integer number (12076560).

Almost surely, 2^51526648 is an apocalyptic number.

It is an amenable number.

51526648 is a deficient number, since it is larger than the sum of its proper divisors (45085832).

51526648 is a wasteful number, since it uses less digits than its factorization.

51526648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440837 (or 6440833 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 51526648 is about 7178.2064612269. The cubic root of 51526648 is about 372.1151029332.

The spelling of 51526648 in words is "fifty-one million, five hundred twenty-six thousand, six hundred forty-eight".