55456464 has 40 divisors (see below), whose sum is σ = 163729600. Its totient is φ = 15844608.

The previous prime is 55456463. The next prime is 55456469. The reversal of 55456464 is 46465455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456463) 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, 82189 + ... + 82860.

It is an arithmetic number, because the mean of its divisors is an integer number (4093240).

Almost surely, 2^55456464 is an apocalyptic number.

It is an amenable number.

55456464 is an abundant number, since it is smaller than the sum of its proper divisors (108273136).

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

55456464 is a wasteful number, since it uses less digits than its factorization.

55456464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165067 (or 165061 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 55456464 is about 7446.9096946317. The cubic root of 55456464 is about 381.3444161394.

The spelling of 55456464 in words is "fifty-five million, four hundred fifty-six thousand, four hundred sixty-four".