51953136 has 40 divisors (see below), whose sum is σ = 140050560. Its totient is φ = 16564416.

The previous prime is 51953119. The next prime is 51953137. The reversal of 51953136 is 63135915.

It is a junction number, because it is equal to n+sod(n) for n = 51953097 and 51953106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51953137) 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, 22426 + ... + 24633.

It is an arithmetic number, because the mean of its divisors is an integer number (3501264).

Almost surely, 2^51953136 is an apocalyptic number.

It is an amenable number.

51953136 is an abundant number, since it is smaller than the sum of its proper divisors (88097424).

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

51953136 is a wasteful number, since it uses less digits than its factorization.

51953136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47093 (or 47087 counting only the distinct ones).

The product of its digits is 12150, while the sum is 33.

The square root of 51953136 is about 7207.8523847260. The cubic root of 51953136 is about 373.1389535169.

The spelling of 51953136 in words is "fifty-one million, nine hundred fifty-three thousand, one hundred thirty-six".