51473853 has 8 divisors (see below), whose sum is σ = 76257600. Its totient is φ = 34315884.

The previous prime is 51473837. The next prime is 51473879. The reversal of 51473853 is 35837415.

It is not a de Polignac number, because 51473853 - 2⁴ = 51473837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51473803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953193 + ... + 953246.

It is an arithmetic number, because the mean of its divisors is an integer number (9532200).

Almost surely, 2^51473853 is an apocalyptic number.

It is an amenable number.

51473853 is a deficient number, since it is larger than the sum of its proper divisors (24783747).

51473853 is a wasteful number, since it uses less digits than its factorization.

51473853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906448 (or 1906442 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 51473853 is about 7174.5280681032. The cubic root of 51473853 is about 371.9879678731.

It can be divided in two parts, 51473 and 853, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 51473853 in words is "fifty-one million, four hundred seventy-three thousand, eight hundred fifty-three".