65388454 has 4 divisors (see below), whose sum is σ = 98082684. Its totient is φ = 32694226.

The previous prime is 65388451. The next prime is 65388469. The reversal of 65388454 is 45488356.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65388454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65388451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16347112 + ... + 16347115.

It is an arithmetic number, because the mean of its divisors is an integer number (24520671).

Almost surely, 2^65388454 is an apocalyptic number.

65388454 is a deficient number, since it is larger than the sum of its proper divisors (32694230).

65388454 is a wasteful number, since it uses less digits than its factorization.

65388454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32694229.

The product of its digits is 460800, while the sum is 43.

The square root of 65388454 is about 8086.3127567514. The cubic root of 65388454 is about 402.8719430085.

The spelling of 65388454 in words is "sixty-five million, three hundred eighty-eight thousand, four hundred fifty-four".