51069953 has 16 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 44856000.

The previous prime is 51069947. The next prime is 51069973. The reversal of 51069953 is 35996015.

It is a cyclic number.

It is not a de Polignac number, because 51069953 - 2⁴ = 51069937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51069973) 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, 72503 + ... + 73203.

It is an arithmetic number, because the mean of its divisors is an integer number (3601260).

Almost surely, 2^51069953 is an apocalyptic number.

It is an amenable number.

51069953 is a deficient number, since it is larger than the sum of its proper divisors (6550207).

51069953 is a wasteful number, since it uses less digits than its factorization.

51069953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 51069953 is about 7146.3244398782. The cubic root of 51069953 is about 371.0124522669.

The spelling of 51069953 in words is "fifty-one million, sixty-nine thousand, nine hundred fifty-three".