61852007553 has 16 divisors (see below), whose sum is σ = 95309677440. Its totient is φ = 34946879616.

The previous prime is 61852007533. The next prime is 61852007639. The reversal of 61852007553 is 35570025816.

61852007553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61852007553 - 2⁵ = 61852007521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61852007533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16544950 + ... + 16548687.

It is an arithmetic number, because the mean of its divisors is an integer number (5956854840).

Almost surely, 2^61852007553 is an apocalyptic number.

It is an amenable number.

61852007553 is a deficient number, since it is larger than the sum of its proper divisors (33457669887).

61852007553 is a wasteful number, since it uses less digits than its factorization.

61852007553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33093736.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 61852007553 in words is "sixty-one billion, eight hundred fifty-two million, seven thousand, five hundred fifty-three".