61053923 has 4 divisors (see below), whose sum is σ = 69775920. Its totient is φ = 52331928.

The previous prime is 61053917. The next prime is 61053931. The reversal of 61053923 is 32935016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61053923 - 2²⁰ = 60005347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61050923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4360988 + ... + 4361001.

It is an arithmetic number, because the mean of its divisors is an integer number (17443980).

Almost surely, 2^61053923 is an apocalyptic number.

61053923 is a deficient number, since it is larger than the sum of its proper divisors (8721997).

61053923 is an equidigital number, since it uses as much as digits as its factorization.

61053923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721996.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 61053923 is about 7813.7009796895. The cubic root of 61053923 is about 393.7656774475.

Adding to 61053923 its reverse (32935016), we get a palindrome (93988939).

The spelling of 61053923 in words is "sixty-one million, fifty-three thousand, nine hundred twenty-three".