51482915 has 8 divisors (see below), whose sum is σ = 67395888. Its totient is φ = 37442080.

The previous prime is 51482891. The next prime is 51482923. The reversal of 51482915 is 51928415.

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

It is a de Polignac number, because none of the positive numbers 2^k-51482915 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467972 + ... + 468081.

It is an arithmetic number, because the mean of its divisors is an integer number (8424486).

Almost surely, 2^51482915 is an apocalyptic number.

51482915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51482915 is a deficient number, since it is larger than the sum of its proper divisors (15912973).

51482915 is a wasteful number, since it uses less digits than its factorization.

51482915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936069.

The product of its digits is 14400, while the sum is 35.

The square root of 51482915 is about 7175.1595801069. The cubic root of 51482915 is about 372.0097961539.

The spelling of 51482915 in words is "fifty-one million, four hundred eighty-two thousand, nine hundred fifteen".