Search a number
-
+
57235552551 = 326359505839
BaseRepresentation
bin110101010011100000…
…010011100100100111
312110201211210022202200
4311103200103210213
51414204300140201
642143232305543
74064231112102
oct652340234447
9173654708680
1057235552551
1122300a82851
12b1140a22b3
135521aca378
142aad685739
15174ebdc386
hexd53813927

57235552551 has 6 divisors (see below), whose sum is σ = 82673575920. Its totient is φ = 38157035028.

The previous prime is 57235552529. The next prime is 57235552579. The reversal of 57235552551 is 15525553275.

57235552551 is a `hidden beast` number, since 5 + 7 + 23 + 55 + 525 + 51 = 666.

It is not a de Polignac number, because 57235552551 - 29 = 57235552039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57235552497 and 57235552506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57235552051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3179752911 + ... + 3179752928.

It is an arithmetic number, because the mean of its divisors is an integer number (13778929320).

Almost surely, 257235552551 is an apocalyptic number.

57235552551 is a deficient number, since it is larger than the sum of its proper divisors (25438023369).

57235552551 is a wasteful number, since it uses less digits than its factorization.

57235552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359505845 (or 6359505842 counting only the distinct ones).

The product of its digits is 1312500, while the sum is 45.

The spelling of 57235552551 in words is "fifty-seven billion, two hundred thirty-five million, five hundred fifty-two thousand, five hundred fifty-one".

Divisors: 1 3 9 6359505839 19078517517 57235552551