55533140737 has 2 divisors, whose sum is σ = 55533140738. Its totient is φ = 55533140736.

The previous prime is 55533140647. The next prime is 55533140753. The reversal of 55533140737 is 73704133555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50186752576 + 5346388161 = 224024^2 + 73119^2 .

It is a cyclic number.

It is not a de Polignac number, because 55533140737 - 2⁷ = 55533140609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55533140693 and 55533140702.

It is not a weakly prime, because it can be changed into another prime (55533140837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27766570368 + 27766570369.

It is an arithmetic number, because the mean of its divisors is an integer number (27766570369).

Almost surely, 2^55533140737 is an apocalyptic number.

It is an amenable number.

55533140737 is a deficient number, since it is larger than the sum of its proper divisors (1).

55533140737 is an equidigital number, since it uses as much as digits as its factorization.

55533140737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 661500, while the sum is 43.

The spelling of 55533140737 in words is "fifty-five billion, five hundred thirty-three million, one hundred forty thousand, seven hundred thirty-seven".