61045552 has 20 divisors (see below), whose sum is σ = 121027720. Its totient is φ = 29812608.

The previous prime is 61045549. The next prime is 61045571. The reversal of 61045552 is 25554016.

It is a self number, because there is not a number n which added to its sum of digits gives 61045552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43677 + ... + 45052.

It is an arithmetic number, because the mean of its divisors is an integer number (6051386).

Almost surely, 2^61045552 is an apocalyptic number.

It is an amenable number.

61045552 is a deficient number, since it is larger than the sum of its proper divisors (59982168).

61045552 is a wasteful number, since it uses less digits than its factorization.

61045552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88780 (or 88774 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 61045552 is about 7813.1652996721. The cubic root of 61045552 is about 393.7476804432.

Adding to 61045552 its reverse (25554016), we get a palindrome (86599568).

The spelling of 61045552 in words is "sixty-one million, forty-five thousand, five hundred fifty-two".