65055480 has 64 divisors (see below), whose sum is σ = 223050240. Its totient is φ = 14869632.

The previous prime is 65055461. The next prime is 65055493. The reversal of 65055480 is 8455056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37884 + ... + 39563.

It is an arithmetic number, because the mean of its divisors is an integer number (3485160).

Almost surely, 2^65055480 is an apocalyptic number.

65055480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65055480 is an abundant number, since it is smaller than the sum of its proper divisors (157994760).

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

65055480 is a wasteful number, since it uses less digits than its factorization.

65055480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77468 (or 77464 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 65055480 is about 8065.6977379518. The cubic root of 65055480 is about 402.1869381302.

The spelling of 65055480 in words is "sixty-five million, fifty-five thousand, four hundred eighty".