49197960 has 144 divisors (see below), whose sum is σ = 186065100. Its totient is φ = 11241216.

The previous prime is 49197947. The next prime is 49197979. The reversal of 49197960 is 6979194.

It can be written as a sum of positive squares in 2 ways, for example, as 49196196 + 1764 = 7014^2 + 42^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16246 + ... + 19034.

Almost surely, 2^49197960 is an apocalyptic number.

49197960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49197960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93032550).

49197960 is an abundant number, since it is smaller than the sum of its proper divisors (136867140).

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

49197960 is a wasteful number, since it uses less digits than its factorization.

49197960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 49197960 is about 7014.1257473758. The cubic root of 49197960 is about 366.4226953709.

The spelling of 49197960 in words is "forty-nine million, one hundred ninety-seven thousand, nine hundred sixty".