51515153 has 8 divisors (see below), whose sum is σ = 52020480. Its totient is φ = 51012720.

The previous prime is 51515129. The next prime is 51515159. The reversal of 51515153 is 35151515.

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 51515153 - 2¹⁶ = 51449617 is a prime.

It is a super-2 number, since 2×51515153² = 5307621977226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51515159) 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, 51488 + ... + 52478.

It is an arithmetic number, because the mean of its divisors is an integer number (6502560).

Almost surely, 2^51515153 is an apocalyptic number.

It is an amenable number.

51515153 is a deficient number, since it is larger than the sum of its proper divisors (505327).

51515153 is a wasteful number, since it uses less digits than its factorization.

51515153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its digits is 1875, while the sum is 26.

The square root of 51515153 is about 7177.4057290918. The cubic root of 51515153 is about 372.0874293482.

Adding to 51515153 its reverse (35151515), we get a palindrome (86666668).

The spelling of 51515153 in words is "fifty-one million, five hundred fifteen thousand, one hundred fifty-three".