51196398 has 32 divisors (see below), whose sum is σ = 112136832. Its totient is φ = 15453600.

The previous prime is 51196381. The next prime is 51196403. The reversal of 51196398 is 89369115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17308 + ... + 20048.

It is an arithmetic number, because the mean of its divisors is an integer number (3504276).

Almost surely, 2^51196398 is an apocalyptic number.

51196398 is an abundant number, since it is smaller than the sum of its proper divisors (60940434).

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

51196398 is a wasteful number, since it uses less digits than its factorization.

51196398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its digits is 58320, while the sum is 42.

The square root of 51196398 is about 7155.1658261706. The cubic root of 51196398 is about 371.3183986708.

The spelling of 51196398 in words is "fifty-one million, one hundred ninety-six thousand, three hundred ninety-eight".