54103553786 has 4 divisors (see below), whose sum is σ = 81155330682. Its totient is φ = 27051776892.

The previous prime is 54103553761. The next prime is 54103553789. The reversal of 54103553786 is 68735530145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41202910225 + 12900643561 = 202985^2 + 113581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54103553786.

It is not an unprimeable number, because it can be changed into a prime (54103553789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13525888445 + ... + 13525888448.

Almost surely, 2^54103553786 is an apocalyptic number.

54103553786 is a deficient number, since it is larger than the sum of its proper divisors (27051776896).

54103553786 is a wasteful number, since it uses less digits than its factorization.

54103553786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27051776895.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 54103553786 in words is "fifty-four billion, one hundred three million, five hundred fifty-three thousand, seven hundred eighty-six".