64057554 has 80 divisors (see below), whose sum is σ = 158558400. Its totient is φ = 19167840.

The previous prime is 64057537. The next prime is 64057571. The reversal of 64057554 is 45575046.

It is a happy number.

64057554 is a `hidden beast` number, since 640 + 5 + 7 + 5 + 5 + 4 = 666.

64057554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64057537) and next prime (64057571).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183372 + ... + 183720.

It is an arithmetic number, because the mean of its divisors is an integer number (1981980).

Almost surely, 2^64057554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64057554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79279200).

64057554 is an abundant number, since it is smaller than the sum of its proper divisors (94500846).

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

64057554 is a wasteful number, since it uses less digits than its factorization.

64057554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 64057554 is about 8003.5963166567. The cubic root of 64057554 is about 400.1198682421.

The spelling of 64057554 in words is "sixty-four million, fifty-seven thousand, five hundred fifty-four".