53554420563 has 64 divisors (see below), whose sum is σ = 84315635712. Its totient is φ = 29601936000.

The previous prime is 53554420559. The next prime is 53554420567. The reversal of 53554420563 is 36502445535.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53554420559) and next prime (53554420567).

It is not a de Polignac number, because 53554420563 - 2² = 53554420559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53554420567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71310438 + ... + 71311188.

It is an arithmetic number, because the mean of its divisors is an integer number (1317431808).

Almost surely, 2^53554420563 is an apocalyptic number.

53554420563 is a deficient number, since it is larger than the sum of its proper divisors (30761215149).

53554420563 is a wasteful number, since it uses less digits than its factorization.

53554420563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 53554420563 in words is "fifty-three billion, five hundred fifty-four million, four hundred twenty thousand, five hundred sixty-three".