51152455 has 8 divisors (see below), whose sum is σ = 61527312. Its totient is φ = 40825728.

The previous prime is 51152443. The next prime is 51152477. The reversal of 51152455 is 55425115.

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 51152455 - 2¹³ = 51144263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9649 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (7690914).

Almost surely, 2^51152455 is an apocalyptic number.

51152455 is a deficient number, since it is larger than the sum of its proper divisors (10374857).

51152455 is a wasteful number, since it uses less digits than its factorization.

51152455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24065.

The product of its digits is 5000, while the sum is 28.

The square root of 51152455 is about 7152.0944484815. The cubic root of 51152455 is about 371.2121313315.

The spelling of 51152455 in words is "fifty-one million, one hundred fifty-two thousand, four hundred fifty-five".