56953803401 has 4 divisors (see below), whose sum is σ = 62131421904. Its totient is φ = 51776184900.

The previous prime is 56953803373. The next prime is 56953803409. The reversal of 56953803401 is 10430835965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56953803401 - 2³⁰ = 55880061577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56953803409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588809235 + ... + 2588809256.

It is an arithmetic number, because the mean of its divisors is an integer number (15532855476).

Almost surely, 2^56953803401 is an apocalyptic number.

It is an amenable number.

56953803401 is a deficient number, since it is larger than the sum of its proper divisors (5177618503).

56953803401 is a wasteful number, since it uses less digits than its factorization.

56953803401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177618502.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 56953803401 in words is "fifty-six billion, nine hundred fifty-three million, eight hundred three thousand, four hundred one".