51473499 has 32 divisors (see below), whose sum is σ = 85929984. Its totient is φ = 26626080.

The previous prime is 51473483. The next prime is 51473533. The reversal of 51473499 is 99437415.

51473499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51473499 - 2⁴ = 51473483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51473499.

It is not an unprimeable number, because it can be changed into a prime (51473449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102082 + ... + 102584.

It is an arithmetic number, because the mean of its divisors is an integer number (2685312).

Almost surely, 2^51473499 is an apocalyptic number.

51473499 is a deficient number, since it is larger than the sum of its proper divisors (34456485).

51473499 is a wasteful number, since it uses less digits than its factorization.

51473499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 136080, while the sum is 42.

The square root of 51473499 is about 7174.5033974485. The cubic root of 51473499 is about 371.9871151162.

It can be divided in two parts, 5147 and 3499, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 51473499 in words is "fifty-one million, four hundred seventy-three thousand, four hundred ninety-nine".