53909477494 has 8 divisors (see below), whose sum is σ = 81247459608. Its totient is φ = 26826990960.

The previous prime is 53909477467. The next prime is 53909477513. The reversal of 53909477494 is 49477490935.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63873367 + ... + 63874210.

It is an arithmetic number, because the mean of its divisors is an integer number (10155932451).

Almost surely, 2^53909477494 is an apocalyptic number.

53909477494 is a deficient number, since it is larger than the sum of its proper divisors (27337982114).

53909477494 is a wasteful number, since it uses less digits than its factorization.

53909477494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127747790.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 53909477494 in words is "fifty-three billion, nine hundred nine million, four hundred seventy-seven thousand, four hundred ninety-four".