55515464 has 16 divisors (see below), whose sum is σ = 104324220. Its totient is φ = 27695680.

The previous prime is 55515461. The next prime is 55515479. The reversal of 55515464 is 46451555.

It can be written as a sum of positive squares in 2 ways, for example, as 53436100 + 2079364 = 7310^2 + 1442^2 .

It is a super-3 number, since 3×55515464³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55515461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839 + ... + 11214.

Almost surely, 2^55515464 is an apocalyptic number.

It is an amenable number.

55515464 is a deficient number, since it is larger than the sum of its proper divisors (48808756).

55515464 is a wasteful number, since it uses less digits than its factorization.

55515464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15520 (or 15516 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 55515464 is about 7450.8700163135. The cubic root of 55515464 is about 381.4796053470.

The spelling of 55515464 in words is "fifty-five million, five hundred fifteen thousand, four hundred sixty-four".