61546548 has 96 divisors (see below), whose sum is σ = 176512000. Its totient is φ = 16638048.

The previous prime is 61546489. The next prime is 61546549. The reversal of 61546548 is 84564516.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61546549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77811 + ... + 78597.

Almost surely, 2^61546548 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 61546548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88256000).

61546548 is an abundant number, since it is smaller than the sum of its proper divisors (114965452).

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

61546548 is a wasteful number, since it uses less digits than its factorization.

61546548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 818 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 61546548 is about 7845.1608014113. The cubic root of 61546548 is about 394.8218990921.

The spelling of 61546548 in words is "sixty-one million, five hundred forty-six thousand, five hundred forty-eight".