51485196 has 48 divisors (see below), whose sum is σ = 138055680. Its totient is φ = 14628480.

The previous prime is 51485171. The next prime is 51485209. The reversal of 51485196 is 69158415.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 14440 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (2876160).

Almost surely, 2^51485196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51485196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69027840).

51485196 is an abundant number, since it is smaller than the sum of its proper divisors (86570484).

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

51485196 is a wasteful number, since it uses less digits than its factorization.

51485196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3412 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 51485196 is about 7175.3185295149. The cubic root of 51485196 is about 372.0152901566.

It can be divided in two parts, 51485 and 196, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51485196 in words is "fifty-one million, four hundred eighty-five thousand, one hundred ninety-six".