51494148 has 36 divisors (see below), whose sum is σ = 135827328. Its totient is φ = 16418160.

The previous prime is 51494119. The next prime is 51494167. The reversal of 51494148 is 84149415.

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 30268 + ... + 31923.

Almost surely, 2^51494148 is an apocalyptic number.

It is an amenable number.

51494148 is an abundant number, since it is smaller than the sum of its proper divisors (84333180).

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

51494148 is a wasteful number, since it uses less digits than its factorization.

51494148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62224 (or 62219 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 51494148 is about 7175.9423074604. The cubic root of 51494148 is about 372.0368503210.

The spelling of 51494148 in words is "fifty-one million, four hundred ninety-four thousand, one hundred forty-eight".