55499464 has 8 divisors (see below), whose sum is σ = 104061510. Its totient is φ = 27749728.

The previous prime is 55499461. The next prime is 55499501. The reversal of 55499464 is 46499455.

It can be written as a sum of positive squares in only one way, i.e., 54612100 + 887364 = 7390^2 + 942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55499461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468709 + ... + 3468724.

Almost surely, 2^55499464 is an apocalyptic number.

It is an amenable number.

55499464 is a deficient number, since it is larger than the sum of its proper divisors (48562046).

55499464 is a wasteful number, since it uses less digits than its factorization.

55499464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937439 (or 6937435 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 55499464 is about 7449.7962388243. The cubic root of 55499464 is about 381.4429533363.

Subtracting from 55499464 its reverse (46499455), we obtain a palindrome (9000009).

The spelling of 55499464 in words is "fifty-five million, four hundred ninety-nine thousand, four hundred sixty-four".