51020053 has 8 divisors (see below), whose sum is σ = 58353408. Its totient is φ = 43697904.

The previous prime is 51020041. The next prime is 51020063. The reversal of 51020053 is 35002015.

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

It is a cyclic number.

It is not a de Polignac number, because 51020053 - 2²¹ = 48922901 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 (51020063) 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, 12675 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (7294176).

Almost surely, 2^51020053 is an apocalyptic number.

It is an amenable number.

51020053 is a deficient number, since it is larger than the sum of its proper divisors (7333355).

51020053 is a wasteful number, since it uses less digits than its factorization.

51020053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 51020053 is about 7142.8322813853. The cubic root of 51020053 is about 370.8915752257.

Adding to 51020053 its reverse (35002015), we get a palindrome (86022068).

The spelling of 51020053 in words is "fifty-one million, twenty thousand, fifty-three".