65056554 has 32 divisors (see below), whose sum is σ = 147651840. Its totient is φ = 21223296.

The previous prime is 65056547. The next prime is 65056559. The reversal of 65056554 is 45565056.

It is a happy number.

65056554 is a `hidden beast` number, since 6 + 50 + 56 + 554 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65056559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10279 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (4614120).

Almost surely, 2^65056554 is an apocalyptic number.

65056554 is an abundant number, since it is smaller than the sum of its proper divisors (82595286).

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

65056554 is a wasteful number, since it uses less digits than its factorization.

65056554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25691 (or 25685 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 65056554 is about 8065.7643159220. The cubic root of 65056554 is about 402.1891513508.

The spelling of 65056554 in words is "sixty-five million, fifty-six thousand, five hundred fifty-four".