61435055 has 16 divisors (see below), whose sum is σ = 80728704. Its totient is φ = 44510880.

The previous prime is 61435051. The next prime is 61435057. The reversal of 61435055 is 55053416.

It is not a de Polignac number, because 61435055 - 2² = 61435051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435051) 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, 13592 + ... + 17538.

It is an arithmetic number, because the mean of its divisors is an integer number (5045544).

Almost surely, 2^61435055 is an apocalyptic number.

61435055 is a deficient number, since it is larger than the sum of its proper divisors (19293649).

61435055 is a wasteful number, since it uses less digits than its factorization.

61435055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 61435055 is about 7838.0517349658. The cubic root of 61435055 is about 394.5833453079.

The spelling of 61435055 in words is "sixty-one million, four hundred thirty-five thousand, fifty-five".