55260531 has 24 divisors (see below), whose sum is σ = 84324240. Its totient is φ = 34776000.

The previous prime is 55260481. The next prime is 55260533. The reversal of 55260531 is 13506255.

55260531 is a `hidden beast` number, since 5 + 52 + 605 + 3 + 1 = 666.

It is not a de Polignac number, because 55260531 - 2⁹ = 55260019 is a prime.

It is a super-2 number, since 2×55260531² = 6107452572803922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55260495 and 55260504.

It is not an unprimeable number, because it can be changed into a prime (55260533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78481 + ... + 79181.

It is an arithmetic number, because the mean of its divisors is an integer number (3513510).

Almost surely, 2^55260531 is an apocalyptic number.

55260531 is a deficient number, since it is larger than the sum of its proper divisors (29063709).

55260531 is a wasteful number, since it uses less digits than its factorization.

55260531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55260531 is about 7433.7427316258. The cubic root of 55260531 is about 380.8947773991.

Adding to 55260531 its reverse (13506255), we get a palindrome (68766786).

The spelling of 55260531 in words is "fifty-five million, two hundred sixty thousand, five hundred thirty-one".