52331555 has 16 divisors (see below), whose sum is σ = 66277440. Its totient is φ = 39587328.

The previous prime is 52331551. The next prime is 52331561. The reversal of 52331555 is 55513325.

52331555 = T₂₆₃₄ + T₂₆₃₅ + ... + T₂₆₄₈.

It is a cyclic number.

It is not a de Polignac number, because 52331555 - 2² = 52331551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52331551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7679 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (4142340).

Almost surely, 2^52331555 is an apocalyptic number.

52331555 is a deficient number, since it is larger than the sum of its proper divisors (13945885).

52331555 is a wasteful number, since it uses less digits than its factorization.

52331555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230.

The product of its digits is 11250, while the sum is 29.

The square root of 52331555 is about 7234.0552251141. The cubic root of 52331555 is about 374.0427258231.

The spelling of 52331555 in words is "fifty-two million, three hundred thirty-one thousand, five hundred fifty-five".