64454053520554 has 4 divisors (see below), whose sum is σ = 96681080280834. Its totient is φ = 32227026760276.

The previous prime is 64454053520543. The next prime is 64454053520603. The reversal of 64454053520554 is 45502535045446.

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., 64141598234025 + 312455286529 = 8008845^2 + 558977^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16113513380137 + ... + 16113513380140.

Almost surely, 2^{64454053520554} is an apocalyptic number.

64454053520554 is a deficient number, since it is larger than the sum of its proper divisors (32227026760280).

64454053520554 is a wasteful number, since it uses less digits than its factorization.

64454053520554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32227026760279.

The product of its (nonzero) digits is 28800000, while the sum is 52.

The spelling of 64454053520554 in words is "sixty-four trillion, four hundred fifty-four billion, fifty-three million, five hundred twenty thousand, five hundred fifty-four".