51532078 has 16 divisors (see below), whose sum is σ = 83524896. Its totient is φ = 23703840.

The previous prime is 51532073. The next prime is 51532079. The reversal of 51532078 is 87023515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51532073) by changing a digit.

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, 4900 + ... + 11272.

It is an arithmetic number, because the mean of its divisors is an integer number (5220306).

Almost surely, 2^51532078 is an apocalyptic number.

51532078 is a deficient number, since it is larger than the sum of its proper divisors (31992818).

51532078 is a wasteful number, since it uses less digits than its factorization.

51532078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 51532078 is about 7178.5846794476. The cubic root of 51532078 is about 372.1281739306.

The spelling of 51532078 in words is "fifty-one million, five hundred thirty-two thousand, seventy-eight".