65554797 has 48 divisors (see below), whose sum is σ = 112679424. Its totient is φ = 33516000.

The previous prime is 65554793. The next prime is 65554817. The reversal of 65554797 is 79745556.

It is not a de Polignac number, because 65554797 - 2² = 65554793 is a prime.

It is a super-2 number, since 2×65554797² = 8594862819422418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65554793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114522 + ... + 115092.

It is an arithmetic number, because the mean of its divisors is an integer number (2347488).

Almost surely, 2^65554797 is an apocalyptic number.

It is an amenable number.

65554797 is a deficient number, since it is larger than the sum of its proper divisors (47124627).

65554797 is a wasteful number, since it uses less digits than its factorization.

65554797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 663 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 48.

The square root of 65554797 is about 8096.5916903349. The cubic root of 65554797 is about 403.2132784014.

The spelling of 65554797 in words is "sixty-five million, five hundred fifty-four thousand, seven hundred ninety-seven".