51653373 has 16 divisors (see below), whose sum is σ = 70136640. Its totient is φ = 33808896.

The previous prime is 51653351. The next prime is 51653387. The reversal of 51653373 is 37335615.

It is not a de Polignac number, because 51653373 - 2¹⁴ = 51636989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51653333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39811 + ... + 41087.

It is an arithmetic number, because the mean of its divisors is an integer number (4383540).

Almost surely, 2^51653373 is an apocalyptic number.

It is an amenable number.

51653373 is a deficient number, since it is larger than the sum of its proper divisors (18483267).

51653373 is a wasteful number, since it uses less digits than its factorization.

51653373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its digits is 28350, while the sum is 33.

The square root of 51653373 is about 7187.0281062481. The cubic root of 51653373 is about 372.4199140174.

Adding to 51653373 its reverse (37335615), we get a palindrome (88988988).

The spelling of 51653373 in words is "fifty-one million, six hundred fifty-three thousand, three hundred seventy-three".