55424725537 has 2 divisors, whose sum is σ = 55424725538. Its totient is φ = 55424725536.

The previous prime is 55424725511. The next prime is 55424725583. The reversal of 55424725537 is 73552742455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54024169761 + 1400555776 = 232431^2 + 37424^2 .

It is a cyclic number.

It is not a de Polignac number, because 55424725537 - 2¹⁵ = 55424692769 is a prime.

It is not a weakly prime, because it can be changed into another prime (55424725597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712362768 + 27712362769.

It is an arithmetic number, because the mean of its divisors is an integer number (27712362769).

Almost surely, 2^55424725537 is an apocalyptic number.

It is an amenable number.

55424725537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55424725537 is an equidigital number, since it uses as much as digits as its factorization.

55424725537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880000, while the sum is 49.

The spelling of 55424725537 in words is "fifty-five billion, four hundred twenty-four million, seven hundred twenty-five thousand, five hundred thirty-seven".