61855468 has 6 divisors (see below), whose sum is σ = 108247076. Its totient is φ = 30927732.

The previous prime is 61855433. The next prime is 61855471. The reversal of 61855468 is 86455816.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7731930 + ... + 7731937.

Almost surely, 2^61855468 is an apocalyptic number.

It is an amenable number.

61855468 is a deficient number, since it is larger than the sum of its proper divisors (46391608).

61855468 is a wasteful number, since it uses less digits than its factorization.

61855468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15463871 (or 15463869 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 61855468 is about 7864.8247278627. The cubic root of 61855468 is about 395.4813722185.

The spelling of 61855468 in words is "sixty-one million, eight hundred fifty-five thousand, four hundred sixty-eight".