61008288 has 48 divisors (see below), whose sum is σ = 174708576. Its totient is φ = 18487040.

The previous prime is 61008263. The next prime is 61008289. The reversal of 61008288 is 88280016.

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

It is a super-2 number, since 2×61008288² = 7444022409381888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (61008289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27831 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (3639762).

Almost surely, 2^61008288 is an apocalyptic number.

It is an amenable number.

61008288 is an abundant number, since it is smaller than the sum of its proper divisors (113700288).

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

61008288 is a wasteful number, since it uses less digits than its factorization.

61008288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57797 (or 57789 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 61008288 is about 7810.7802427158. The cubic root of 61008288 is about 393.6675457480.

The spelling of 61008288 in words is "sixty-one million, eight thousand, two hundred eighty-eight".