103977553 has 2 divisors, whose sum is σ = 103977554. Its totient is φ = 103977552.

The previous prime is 103977547. The next prime is 103977631. The reversal of 103977553 is 355779301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95491984 + 8485569 = 9772^2 + 2913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103977553 is a prime.

It is a super-2 number, since 2×103977553² = 21622663055735618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103377553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51988776 + 51988777.

It is an arithmetic number, because the mean of its divisors is an integer number (51988777).

Almost surely, 2^103977553 is an apocalyptic number.

It is an amenable number.

103977553 is a deficient number, since it is larger than the sum of its proper divisors (1).

103977553 is an equidigital number, since it uses as much as digits as its factorization.

103977553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99225, while the sum is 40.

The square root of 103977553 is about 10196.9384130728. The cubic root of 103977553 is about 470.2331015137.

The spelling of 103977553 in words is "one hundred three million, nine hundred seventy-seven thousand, five hundred fifty-three".