Search a number
-
+
54976132531 = 457120297883
BaseRepresentation
bin110011001100110101…
…010011010110110011
312020220101021220011201
4303030311103112303
51400042342220111
641131121152031
73654234262525
oct631465232663
9166811256151
1054976132531
1121351659081
12a7a348b617
135251992a48
14293757ba15
15166b6846c1
hexcccd535b3

54976132531 has 4 divisors (see below), whose sum is σ = 55096430872. Its totient is φ = 54855834192.

The previous prime is 54976132489. The next prime is 54976132553. The reversal of 54976132531 is 13523167945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54976132531 - 29 = 54976132019 is a prime.

It is a super-2 number, since 2×549761325312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54976132031) 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, 60148485 + ... + 60149398.

It is an arithmetic number, because the mean of its divisors is an integer number (13774107718).

Almost surely, 254976132531 is an apocalyptic number.

54976132531 is a deficient number, since it is larger than the sum of its proper divisors (120298341).

54976132531 is a wasteful number, since it uses less digits than its factorization.

54976132531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120298340.

The product of its digits is 680400, while the sum is 46.

The spelling of 54976132531 in words is "fifty-four billion, nine hundred seventy-six million, one hundred thirty-two thousand, five hundred thirty-one".

Divisors: 1 457 120297883 54976132531