51185496 has 32 divisors (see below), whose sum is σ = 128399040. Its totient is φ = 17003808.

The previous prime is 51185479. The next prime is 51185501. The reversal of 51185496 is 69458115.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (4012470).

Almost surely, 2^51185496 is an apocalyptic number.

It is an amenable number.

51185496 is an abundant number, since it is smaller than the sum of its proper divisors (77213544).

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

51185496 is a wasteful number, since it uses less digits than its factorization.

51185496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263 (or 7259 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 51185496 is about 7154.4039584021. The cubic root of 51185496 is about 371.2920400419.

It can be divided in two parts, 51185 and 496, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51185496 in words is "fifty-one million, one hundred eighty-five thousand, four hundred ninety-six".