55956541 has 2 divisors, whose sum is σ = 55956542. Its totient is φ = 55956540.

The previous prime is 55956533. The next prime is 55956553. The reversal of 55956541 is 14565955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 7584516 = 6955^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 55956541 - 2³ = 55956533 is a prime.

It is a super-2 number, since 2×55956541² = 6262268961369362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55956494 and 55956503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55956521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27978270 + 27978271.

It is an arithmetic number, because the mean of its divisors is an integer number (27978271).

Almost surely, 2^55956541 is an apocalyptic number.

It is an amenable number.

55956541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55956541 is an equidigital number, since it uses as much as digits as its factorization.

55956541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000, while the sum is 40.

The square root of 55956541 is about 7480.4104833893. The cubic root of 55956541 is about 382.4872418032.

The spelling of 55956541 in words is "fifty-five million, nine hundred fifty-six thousand, five hundred forty-one".