61554498 has 8 divisors (see below), whose sum is σ = 123109008. Its totient is φ = 20518164.

The previous prime is 61554497. The next prime is 61554529. The reversal of 61554498 is 89445516.

It is a sphenic number, since it is the product of 3 distinct primes.

61554498 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61554497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129536 + ... + 5129547.

It is an arithmetic number, because the mean of its divisors is an integer number (15388626).

Almost surely, 2^61554498 is an apocalyptic number.

61554498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61554498 is a wasteful number, since it uses less digits than its factorization.

61554498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259088.

The product of its digits is 172800, while the sum is 42.

The square root of 61554498 is about 7845.6674668252. The cubic root of 61554498 is about 394.8388981444.

The spelling of 61554498 in words is "sixty-one million, five hundred fifty-four thousand, four hundred ninety-eight".