51651053 has 8 divisors (see below), whose sum is σ = 53630976. Its totient is φ = 49690800.

The previous prime is 51651023. The next prime is 51651109. The reversal of 51651053 is 35015615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51651053 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 (51651013) 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, 548 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (6703872).

Almost surely, 2^51651053 is an apocalyptic number.

It is an amenable number.

51651053 is a deficient number, since it is larger than the sum of its proper divisors (1979923).

51651053 is a wasteful number, since it uses less digits than its factorization.

51651053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 51651053 is about 7186.8667025346. The cubic root of 51651053 is about 372.4143382141.

Adding to 51651053 its reverse (35015615), we get a palindrome (86666668).

The spelling of 51651053 in words is "fifty-one million, six hundred fifty-one thousand, fifty-three".