53967654 has 64 divisors (see below), whose sum is σ = 131443200. Its totient is φ = 16311456.

The previous prime is 53967649. The next prime is 53967671. The reversal of 53967654 is 45676935.

53967654 is a `hidden beast` number, since 539 + 67 + 6 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40767 + ... + 42069.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 2^53967654 is an apocalyptic number.

53967654 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53967654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65721600).

53967654 is an abundant number, since it is smaller than the sum of its proper divisors (77475546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53967654 is a wasteful number, since it uses less digits than its factorization.

53967654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1380 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 53967654 is about 7346.2680321371. The cubic root of 53967654 is about 377.9008306239.

The spelling of 53967654 in words is "fifty-three million, nine hundred sixty-seven thousand, six hundred fifty-four".