38551655354553 has 24 divisors (see below), whose sum is σ = 60783609219840. Its totient is φ = 23350967979360.

The previous prime is 38551655354543. The next prime is 38551655354579. The reversal of 38551655354553 is 35545355615583.

It is a happy number.

38551655354553 is a `hidden beast` number, since 3 + 8 + 5 + 5 + 1 + 6 + 5 + 535 + 45 + 53 = 666.

It is not a de Polignac number, because 38551655354553 - 2²¹ = 38551653257401 is a prime.

It is a super-2 number, since 2×38551655354553² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38551655354503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113760201 + ... + 114098582.

It is an arithmetic number, because the mean of its divisors is an integer number (2532650384160).

Almost surely, 2^{38551655354553} is an apocalyptic number.

38551655354553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38551655354553 is a deficient number, since it is larger than the sum of its proper divisors (22231953865287).

38551655354553 is a wasteful number, since it uses less digits than its factorization.

38551655354553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227860509 (or 227860506 counting only the distinct ones).

The product of its digits is 405000000, while the sum is 63.

The spelling of 38551655354553 in words is "thirty-eight trillion, five hundred fifty-one billion, six hundred fifty-five million, three hundred fifty-four thousand, five hundred fifty-three".