953978532553 has 2 divisors, whose sum is σ = 953978532554. Its totient is φ = 953978532552.

The previous prime is 953978532547. The next prime is 953978532673. The reversal of 953978532553 is 355235879359.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922153042944 + 31825489609 = 960288^2 + 178397^2 .

It is a cyclic number.

It is not a de Polignac number, because 953978532553 - 2³³ = 945388597961 is a prime.

It is not a weakly prime, because it can be changed into another prime (953978533553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476989266276 + 476989266277.

It is an arithmetic number, because the mean of its divisors is an integer number (476989266277).

Almost surely, 2^953978532553 is an apocalyptic number.

It is an amenable number.

953978532553 is a deficient number, since it is larger than the sum of its proper divisors (1).

953978532553 is an equidigital number, since it uses as much as digits as its factorization.

953978532553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090000, while the sum is 64.

The spelling of 953978532553 in words is "nine hundred fifty-three billion, nine hundred seventy-eight million, five hundred thirty-two thousand, five hundred fifty-three".