54509603973 has 64 divisors (see below), whose sum is σ = 81209856000. Its totient is φ = 32247072000.

The previous prime is 54509603903. The next prime is 54509603989. The reversal of 54509603973 is 37930690545.

It is a happy number.

It is not a de Polignac number, because 54509603973 - 2¹⁶ = 54509538437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54509603903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156187803 + ... + 156188151.

It is an arithmetic number, because the mean of its divisors is an integer number (1268904000).

Almost surely, 2^54509603973 is an apocalyptic number.

It is an amenable number.

54509603973 is a deficient number, since it is larger than the sum of its proper divisors (26700252027).

54509603973 is a wasteful number, since it uses less digits than its factorization.

54509603973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 3061800, while the sum is 51.

The spelling of 54509603973 in words is "fifty-four billion, five hundred nine million, six hundred three thousand, nine hundred seventy-three".