51167448 has 48 divisors (see below), whose sum is σ = 142331280. Its totient is φ = 16593984.

The previous prime is 51167447. The next prime is 51167449. The reversal of 51167448 is 84476115.

It is a happy number.

51167448 is a `hidden beast` number, since 51 + 167 + 448 = 666.

It is an interprime number because it is at equal distance from previous prime (51167447) and next prime (51167449).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51167447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6940 + ... + 12267.

It is an arithmetic number, because the mean of its divisors is an integer number (2965235).

Almost surely, 2^51167448 is an apocalyptic number.

It is an amenable number.

51167448 is an abundant number, since it is smaller than the sum of its proper divisors (91163832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51167448 is a wasteful number, since it uses less digits than its factorization.

51167448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256 (or 19249 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 51167448 is about 7153.1425261908. The cubic root of 51167448 is about 371.2483957350.

It can be divided in two parts, 51167 and 448, that added together give a palindrome (51615).

The spelling of 51167448 in words is "fifty-one million, one hundred sixty-seven thousand, four hundred forty-eight".