51464151 has 24 divisors (see below), whose sum is σ = 80846064. Its totient is φ = 31415040.

The previous prime is 51464131. The next prime is 51464167. The reversal of 51464151 is 15146415.

51464151 is a `hidden beast` number, since 5 + 14 + 641 + 5 + 1 = 666.

It is not a de Polignac number, because 51464151 - 2¹⁰ = 51463127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (3368586).

Almost surely, 2^51464151 is an apocalyptic number.

51464151 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51464151 is a deficient number, since it is larger than the sum of its proper divisors (29381913).

51464151 is a wasteful number, since it uses less digits than its factorization.

51464151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151 (or 9148 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51464151 is about 7173.8518942058. The cubic root of 51464151 is about 371.9645951390.

It can be divided in two parts, 51464 and 151, that added together give a palindrome (51615).

The spelling of 51464151 in words is "fifty-one million, four hundred sixty-four thousand, one hundred fifty-one".