61075325553 has 32 divisors (see below), whose sum is σ = 94397519232. Its totient is φ = 34713907200.

The previous prime is 61075325543. The next prime is 61075325579. The reversal of 61075325553 is 35552357016.

It is a happy number.

61075325553 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 61075325553 - 2⁴ = 61075325537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61075325543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36076 + ... + 351357.

It is an arithmetic number, because the mean of its divisors is an integer number (2949922476).

Almost surely, 2^61075325553 is an apocalyptic number.

It is an amenable number.

61075325553 is a deficient number, since it is larger than the sum of its proper divisors (33322193679).

61075325553 is a wasteful number, since it uses less digits than its factorization.

61075325553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387745.

The product of its (nonzero) digits is 472500, while the sum is 42.

The spelling of 61075325553 in words is "sixty-one billion, seventy-five million, three hundred twenty-five thousand, five hundred fifty-three".