51197104 has 20 divisors (see below), whose sum is σ = 113365264. Its totient is φ = 21941568.

The previous prime is 51197087. The next prime is 51197119. The reversal of 51197104 is 40179115.

It is a super-2 number, since 2×51197104² = 5242286915973632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 3 ways as a sum of consecutive naturals, for example, 228447 + ... + 228670.

Almost surely, 2^51197104 is an apocalyptic number.

It is an amenable number.

51197104 is an abundant number, since it is smaller than the sum of its proper divisors (62168160).

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

51197104 is a wasteful number, since it uses less digits than its factorization.

51197104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457132 (or 457126 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 51197104 is about 7155.2151609857. The cubic root of 51197104 is about 371.3201054939.

The spelling of 51197104 in words is "fifty-one million, one hundred ninety-seven thousand, one hundred four".