61552923 has 4 divisors (see below), whose sum is σ = 82070568. Its totient is φ = 41035280.

The previous prime is 61552901. The next prime is 61552969. The reversal of 61552923 is 32925516.

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 61552923 - 2⁵ = 61552891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61552523) 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, 10258818 + ... + 10258823.

It is an arithmetic number, because the mean of its divisors is an integer number (20517642).

Almost surely, 2^61552923 is an apocalyptic number.

61552923 is a deficient number, since it is larger than the sum of its proper divisors (20517645).

61552923 is a wasteful number, since it uses less digits than its factorization.

61552923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20517644.

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

The square root of 61552923 is about 7845.5670923140. The cubic root of 61552923 is about 394.8355305239.

The spelling of 61552923 in words is "sixty-one million, five hundred fifty-two thousand, nine hundred twenty-three".