66053454 has 32 divisors (see below), whose sum is σ = 134493696. Its totient is φ = 21624000.

The previous prime is 66053453. The next prime is 66053479. The reversal of 66053454 is 45435066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66053453) 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, 87579 + ... + 88329.

It is an arithmetic number, because the mean of its divisors is an integer number (4202928).

Almost surely, 2^66053454 is an apocalyptic number.

66053454 is an abundant number, since it is smaller than the sum of its proper divisors (68440242).

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

66053454 is a wasteful number, since it uses less digits than its factorization.

66053454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 66053454 is about 8127.3276050618. The cubic root of 66053454 is about 404.2330738558.

It can be divided in two parts, 6 and 6053454, that added together give a triangular number (6053460 = T₃₄₇₉).

The spelling of 66053454 in words is "sixty-six million, fifty-three thousand, four hundred fifty-four".