55922539 has 2 divisors, whose sum is σ = 55922540. Its totient is φ = 55922538.

The previous prime is 55922533. The next prime is 55922551. The reversal of 55922539 is 93522955.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55922539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55922533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27961269 + 27961270.

It is an arithmetic number, because the mean of its divisors is an integer number (27961270).

Almost surely, 2^55922539 is an apocalyptic number.

55922539 is a deficient number, since it is larger than the sum of its proper divisors (1).

55922539 is an equidigital number, since it uses as much as digits as its factorization.

55922539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 40.

The square root of 55922539 is about 7478.1374017866. The cubic root of 55922539 is about 382.4097532971.

The spelling of 55922539 in words is "fifty-five million, nine hundred twenty-two thousand, five hundred thirty-nine".