61053945 has 16 divisors (see below), whose sum is σ = 97811712. Its totient is φ = 32520320.

The previous prime is 61053931. The next prime is 61053947. The reversal of 61053945 is 54935016.

It is a happy number.

It is not a de Polignac number, because 61053945 - 2¹⁰ = 61052921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61053947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12160 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (6113232).

Almost surely, 2^61053945 is an apocalyptic number.

It is an amenable number.

61053945 is a deficient number, since it is larger than the sum of its proper divisors (36757767).

61053945 is a wasteful number, since it uses less digits than its factorization.

61053945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 61053945 is about 7813.7023874729. The cubic root of 61053945 is about 393.7657247436.

The spelling of 61053945 in words is "sixty-one million, fifty-three thousand, nine hundred forty-five".