55301537 has 2 divisors, whose sum is σ = 55301538. Its totient is φ = 55301536.

The previous prime is 55301507. The next prime is 55301539. The reversal of 55301537 is 73510355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55115776 + 185761 = 7424^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 55301537 - 2¹⁶ = 55236001 is a prime.

Together with 55301539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55301539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27650768 + 27650769.

It is an arithmetic number, because the mean of its divisors is an integer number (27650769).

Almost surely, 2^55301537 is an apocalyptic number.

It is an amenable number.

55301537 is a deficient number, since it is larger than the sum of its proper divisors (1).

55301537 is an equidigital number, since it uses as much as digits as its factorization.

55301537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 55301537 is about 7436.5003193707. The cubic root of 55301537 is about 380.9889682511.

The spelling of 55301537 in words is "fifty-five million, three hundred one thousand, five hundred thirty-seven".