61055535 has 16 divisors (see below), whose sum is σ = 97843680. Its totient is φ = 32511360.

The previous prime is 61055507. The next prime is 61055539. The reversal of 61055535 is 53555016.

It is not a de Polignac number, because 61055535 - 2⁵ = 61055503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61055539) 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, 7765 + ... + 13505.

It is an arithmetic number, because the mean of its divisors is an integer number (6115230).

Almost surely, 2^61055535 is an apocalyptic number.

61055535 is a deficient number, since it is larger than the sum of its proper divisors (36788145).

61055535 is a wasteful number, since it uses less digits than its factorization.

61055535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 61055535 is about 7813.8041311515. The cubic root of 61055535 is about 393.7691429343.

The spelling of 61055535 in words is "sixty-one million, fifty-five thousand, five hundred thirty-five".