53685904454 has 32 divisors (see below), whose sum is σ = 99131531520. Its totient is φ = 21234288672.

The previous prime is 53685904399. The next prime is 53685904483. The reversal of 53685904454 is 45440958635.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53685904396 and 53685904405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026257 + ... + 1077299.

It is an arithmetic number, because the mean of its divisors is an integer number (3097860360).

Almost surely, 2^53685904454 is an apocalyptic number.

53685904454 is a deficient number, since it is larger than the sum of its proper divisors (45445627066).

53685904454 is a wasteful number, since it uses less digits than its factorization.

53685904454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56844.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 53685904454 in words is "fifty-three billion, six hundred eighty-five million, nine hundred four thousand, four hundred fifty-four".