61088564 has 6 divisors (see below), whose sum is σ = 106904994. Its totient is φ = 30544280.

The previous prime is 61088539. The next prime is 61088597. The reversal of 61088564 is 46588016.

It can be written as a sum of positive squares in only one way, i.e., 52678564 + 8410000 = 7258^2 + 2900^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7636067 + ... + 7636074.

It is an arithmetic number, because the mean of its divisors is an integer number (17817499).

Almost surely, 2^61088564 is an apocalyptic number.

It is an amenable number.

61088564 is a deficient number, since it is larger than the sum of its proper divisors (45816430).

61088564 is a wasteful number, since it uses less digits than its factorization.

61088564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272145 (or 15272143 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 61088564 is about 7815.9173485906. The cubic root of 61088564 is about 393.8401354413.

The spelling of 61088564 in words is "sixty-one million, eighty-eight thousand, five hundred sixty-four".