61032855 has 16 divisors (see below), whose sum is σ = 105164640. Its totient is φ = 30046848.

The previous prime is 61032827. The next prime is 61032863. The reversal of 61032855 is 55823016.

It is not a de Polignac number, because 61032855 - 2²¹ = 58935703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156300 + ... + 156689.

It is an arithmetic number, because the mean of its divisors is an integer number (6572790).

Almost surely, 2^61032855 is an apocalyptic number.

61032855 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61032855 is a deficient number, since it is larger than the sum of its proper divisors (44131785).

61032855 is a wasteful number, since it uses less digits than its factorization.

61032855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313010.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 61032855 is about 7812.3527186117. The cubic root of 61032855 is about 393.7203797320.

The spelling of 61032855 in words is "sixty-one million, thirty-two thousand, eight hundred fifty-five".