61552008 has 64 divisors (see below), whose sum is σ = 195408000. Its totient is φ = 17585856.

The previous prime is 61552003. The next prime is 61552009. The reversal of 61552008 is 80025516.

61552008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61552003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18843 + ... + 21866.

It is an arithmetic number, because the mean of its divisors is an integer number (3053250).

Almost surely, 2^61552008 is an apocalyptic number.

It is an amenable number.

61552008 is an abundant number, since it is smaller than the sum of its proper divisors (133855992).

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

61552008 is a wasteful number, since it uses less digits than its factorization.

61552008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40731 (or 40721 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 61552008 is about 7845.5087789129. The cubic root of 61552008 is about 394.8335740703.

The spelling of 61552008 in words is "sixty-one million, five hundred fifty-two thousand, eight".