61233555 has 8 divisors (see below), whose sum is σ = 97973712. Its totient is φ = 32657888.

The previous prime is 61233551. The next prime is 61233577. The reversal of 61233555 is 55533216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61233555 - 2² = 61233551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61233551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041104 + ... + 2041133.

It is an arithmetic number, because the mean of its divisors is an integer number (12246714).

Almost surely, 2^61233555 is an apocalyptic number.

61233555 is a deficient number, since it is larger than the sum of its proper divisors (36740157).

61233555 is a wasteful number, since it uses less digits than its factorization.

61233555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082245.

The product of its digits is 13500, while the sum is 30.

The square root of 61233555 is about 7825.1872182076. The cubic root of 61233555 is about 394.1514766234.

The spelling of 61233555 in words is "sixty-one million, two hundred thirty-three thousand, five hundred fifty-five".