64218054 has 32 divisors (see below), whose sum is σ = 132179040. Its totient is φ = 20787200.

The previous prime is 64218053. The next prime is 64218059. The reversal of 64218054 is 45081246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64218053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68662 + ... + 69590.

It is an arithmetic number, because the mean of its divisors is an integer number (4130595).

Almost surely, 2^64218054 is an apocalyptic number.

64218054 is an abundant number, since it is smaller than the sum of its proper divisors (67960986).

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

64218054 is a wasteful number, since it uses less digits than its factorization.

64218054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 64218054 is about 8013.6167864454. The cubic root of 64218054 is about 400.4537642171.

It can be divided in two parts, 6 and 4218054, that added together give a triangular number (4218060 = T₂₉₀₄).

The spelling of 64218054 in words is "sixty-four million, two hundred eighteen thousand, fifty-four".