61538496 has 28 divisors (see below), whose sum is σ = 162821112. Its totient is φ = 20512768.

The previous prime is 61538479. The next prime is 61538507. The reversal of 61538496 is 69483516.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160065 + ... + 160448.

Almost surely, 2^61538496 is an apocalyptic number.

It is an amenable number.

61538496 is an abundant number, since it is smaller than the sum of its proper divisors (101282616).

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

61538496 is a wasteful number, since it uses less digits than its factorization.

61538496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320528 (or 320518 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 61538496 is about 7844.6476020278. The cubic root of 61538496 is about 394.8046804466.

The spelling of 61538496 in words is "sixty-one million, five hundred thirty-eight thousand, four hundred ninety-six".