Search a number
-
+
55856752 = 2473491429
BaseRepresentation
bin1101010100010…
…0111001110000
310220002211001121
43111010321300
5103244404002
65313112024
71245526450
oct325047160
9126084047
1055856752
1129591006
1216858614
13b759143
1475bdd60
154d85237
hex3544e70

55856752 has 40 divisors (see below), whose sum is σ = 124124000. Its totient is φ = 23853312.

The previous prime is 55856743. The next prime is 55856777. The reversal of 55856752 is 25765855.

It is a junction number, because it is equal to n+sod(n) for n = 55856699 and 55856708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38374 + ... + 39802.

It is an arithmetic number, because the mean of its divisors is an integer number (3103100).

Almost surely, 255856752 is an apocalyptic number.

It is an amenable number.

55856752 is an abundant number, since it is smaller than the sum of its proper divisors (68267248).

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

55856752 is a wasteful number, since it uses less digits than its factorization.

55856752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1787 counting only the distinct ones).

The product of its digits is 420000, while the sum is 43.

The square root of 55856752 is about 7473.7374853550. The cubic root of 55856752 is about 382.2597394718.

The spelling of 55856752 in words is "fifty-five million, eight hundred fifty-six thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 349 698 1396 1429 2443 2792 2858 4886 5584 5716 9772 10003 11432 19544 20006 22864 39088 40012 80024 160048 498721 997442 1994884 3491047 3989768 6982094 7979536 13964188 27928376 55856752