64113552 has 40 divisors (see below), whose sum is σ = 184030880. Its totient is φ = 21371040.

The previous prime is 64113551. The next prime is 64113587. The reversal of 64113552 is 25531146.

64113552 is a `hidden beast` number, since 641 + 13 + 5 + 5 + 2 = 666.

It is a super-2 number, since 2×64113552² = 8221095100113408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (64113551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73774 + ... + 74637.

It is an arithmetic number, because the mean of its divisors is an integer number (4600772).

Almost surely, 2^64113552 is an apocalyptic number.

It is an amenable number.

64113552 is an abundant number, since it is smaller than the sum of its proper divisors (119917328).

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

64113552 is a wasteful number, since it uses less digits than its factorization.

64113552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148428 (or 148416 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 64113552 is about 8007.0938548265. The cubic root of 64113552 is about 400.2364268949.

Adding to 64113552 its reverse (25531146), we get a palindrome (89644698).

The spelling of 64113552 in words is "sixty-four million, one hundred thirteen thousand, five hundred fifty-two".