53775903949 has 8 divisors (see below), whose sum is σ = 55515603200. Its totient is φ = 52036516800.

The previous prime is 53775903947. The next prime is 53775903991. The reversal of 53775903949 is 94930957735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53775903949 - 2¹ = 53775903947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53775903947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301534 + ... + 445504.

It is an arithmetic number, because the mean of its divisors is an integer number (6939450400).

Almost surely, 2^53775903949 is an apocalyptic number.

It is an amenable number.

53775903949 is a deficient number, since it is larger than the sum of its proper divisors (1739699251).

53775903949 is a wasteful number, since it uses less digits than its factorization.

53775903949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156051.

The product of its (nonzero) digits is 32148900, while the sum is 61.

The spelling of 53775903949 in words is "fifty-three billion, seven hundred seventy-five million, nine hundred three thousand, nine hundred forty-nine".