51835157 has 4 divisors (see below), whose sum is σ = 56547456. Its totient is φ = 47122860.

The previous prime is 51835127. The next prime is 51835171. The reversal of 51835157 is 75153815.

51835157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51835157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51835127) 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 3 ways as a sum of consecutive naturals, for example, 2356133 + ... + 2356154.

It is an arithmetic number, because the mean of its divisors is an integer number (14136864).

Almost surely, 2^51835157 is an apocalyptic number.

It is an amenable number.

51835157 is a deficient number, since it is larger than the sum of its proper divisors (4712299).

51835157 is a wasteful number, since it uses less digits than its factorization.

51835157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712298.

The product of its digits is 21000, while the sum is 35.

The square root of 51835157 is about 7199.6636727003. The cubic root of 51835157 is about 372.8562889894.

The spelling of 51835157 in words is "fifty-one million, eight hundred thirty-five thousand, one hundred fifty-seven".