55143524537 has 2 divisors, whose sum is σ = 55143524538. Its totient is φ = 55143524536.

The previous prime is 55143524519. The next prime is 55143524543. The reversal of 55143524537 is 73542534155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41810434576 + 13333089961 = 204476^2 + 115469^2 .

It is a cyclic number.

It is not a de Polignac number, because 55143524537 - 2⁶ = 55143524473 is a prime.

It is not a weakly prime, because it can be changed into another prime (55143544537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27571762268 + 27571762269.

It is an arithmetic number, because the mean of its divisors is an integer number (27571762269).

Almost surely, 2^55143524537 is an apocalyptic number.

It is an amenable number.

55143524537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55143524537 is an equidigital number, since it uses as much as digits as its factorization.

55143524537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260000, while the sum is 44.

The spelling of 55143524537 in words is "fifty-five billion, one hundred forty-three million, five hundred twenty-four thousand, five hundred thirty-seven".