61536255 has 32 divisors (see below), whose sum is σ = 108172800. Its totient is φ = 29623680.

The previous prime is 61536253. The next prime is 61536259. The reversal of 61536255 is 55263516.

It is not a de Polignac number, because 61536255 - 2¹ = 61536253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61536253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23334 + ... + 25836.

It is an arithmetic number, because the mean of its divisors is an integer number (3380400).

Almost surely, 2^61536255 is an apocalyptic number.

61536255 is a deficient number, since it is larger than the sum of its proper divisors (46636545).

61536255 is a wasteful number, since it uses less digits than its factorization.

61536255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 27000, while the sum is 33.

The square root of 61536255 is about 7844.5047644832. The cubic root of 61536255 is about 394.7998879558.

The spelling of 61536255 in words is "sixty-one million, five hundred thirty-six thousand, two hundred fifty-five".