61855852 has 6 divisors (see below), whose sum is σ = 108247748. Its totient is φ = 30927924.

The previous prime is 61855847. The next prime is 61855853. The reversal of 61855852 is 25855816.

It is a super-2 number, since 2×61855852² = 7652292853291808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61855853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7731978 + ... + 7731985.

Almost surely, 2^61855852 is an apocalyptic number.

It is an amenable number.

61855852 is a deficient number, since it is larger than the sum of its proper divisors (46391896).

61855852 is a wasteful number, since it uses less digits than its factorization.

61855852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463967 (or 15463965 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 61855852 is about 7864.8491403205. The cubic root of 61855852 is about 395.4821906023.

The spelling of 61855852 in words is "sixty-one million, eight hundred fifty-five thousand, eight hundred fifty-two".