51473995 has 4 divisors (see below), whose sum is σ = 61768800. Its totient is φ = 41179192.

The previous prime is 51473969. The next prime is 51473999. The reversal of 51473995 is 59937415.

51473995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51473995 - 2⁵ = 51473963 is a prime.

It is a super-2 number, since 2×51473995² = 5299144322520050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51473999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147395 + ... + 5147404.

It is an arithmetic number, because the mean of its divisors is an integer number (15442200).

Almost surely, 2^51473995 is an apocalyptic number.

51473995 is a deficient number, since it is larger than the sum of its proper divisors (10294805).

51473995 is a wasteful number, since it uses less digits than its factorization.

51473995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294804.

The product of its digits is 170100, while the sum is 43.

The square root of 51473995 is about 7174.5379642176. The cubic root of 51473995 is about 371.9883099383.

The spelling of 51473995 in words is "fifty-one million, four hundred seventy-three thousand, nine hundred ninety-five".