51435896 has 8 divisors (see below), whose sum is σ = 96442320. Its totient is φ = 25717944.

The previous prime is 51435887. The next prime is 51435911. The reversal of 51435896 is 69853415.

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, 3214736 + ... + 3214751.

It is an arithmetic number, because the mean of its divisors is an integer number (12055290).

Almost surely, 2^51435896 is an apocalyptic number.

It is an amenable number.

51435896 is a deficient number, since it is larger than the sum of its proper divisors (45006424).

51435896 is a wasteful number, since it uses less digits than its factorization.

51435896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429493 (or 6429489 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 51435896 is about 7171.8823191684. The cubic root of 51435896 is about 371.8965103110.

The spelling of 51435896 in words is "fifty-one million, four hundred thirty-five thousand, eight hundred ninety-six".