61158048 has 48 divisors (see below), whose sum is σ = 183476160. Its totient is φ = 17473536.

The previous prime is 61158037. The next prime is 61158079. The reversal of 61158048 is 84085116.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44833 + ... + 46176.

It is an arithmetic number, because the mean of its divisors is an integer number (3822420).

Almost surely, 2^61158048 is an apocalyptic number.

It is an amenable number.

61158048 is an abundant number, since it is smaller than the sum of its proper divisors (122318112).

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

61158048 is a wasteful number, since it uses less digits than its factorization.

61158048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91029 (or 91021 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 61158048 is about 7820.3611169817. The cubic root of 61158048 is about 393.9894007988.

The spelling of 61158048 in words is "sixty-one million, one hundred fifty-eight thousand, forty-eight".